Apr 28, 2015 · "The ZT-2800, ZT-3100, ZT-3200 and ZT-3400 have an internal cog style parking brake. It is essential to fully disengage the brake prior to operation." Usually, warnings like that in a service manual suggest that this may be a common source of trouble. Step-by-step instructions for purging the air from Hydro-Gear transaxles after servicing or changing the oil. For more information, visit your local dealer o...If I recall, Hustler calls for a hydro oil and filter change every 200 hours, according to their maintenance schedule. Hydro-Gear calls for a hydro oil and filter change every 400 hours, according to their service manual. I plan on a 200 hour schedule for my Toro. This is right out of Hydro-Gear’s 2021 service and repair manual on Page 9.Many of the Hydrostats are made by Hydro-Gear. The numbers refer to how light or heavy duty the Hydrostats are. Most residential ZTR mowers use the EZT units and the more expensive "Acreage mowers" have the ZT-2800. High dollar commercial ZTRs use Scags, Exmark Etc. use heavy duty Hydrostats. Her is a link to their website.use in small engines, riding mower engines, tractor engines and other products that use Hydro-Gear. Category HYDRO GEAR TRANSAXLE ZT-3200 Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status Sep 1, 2021 · Smartec ZT-2800e System Production Launches; Huntingdon Factory Gains ISO Certification; New Smartec electric products debut at GIE+EXPO 2021; Hydro-Gear selects Huntingdon, TN for its fourth U.S. location The model and configuration of the ZT-2200 and ZT-2100 can be determined from the label shown in Figure 3. Figure 3. Configuration Label HYDRO-GEAR Assembled in USA ear Built ZC-BUBB-2L5B-2LPX 8 275 B1 476 -001 BOM Model Number Date (Julian- Day of year) Serial Number (unique for that model - for that day) Type of Product and Build InformationNov 20, 2018 · Step-by-step instructions for changing the oil in select Hydro-Gear transaxles. This video applies to ZT-2800, ZT-3100, ZT-3200, ZT-3400, and ZT-3600. For mo... Sep 16, 2015 · ZT3400 Hydro Gear problems. I have a 2013 Dixie Chopper Magnum 2250 with a 24 HP Kawasaki engine. It has 439 hours on it. It uses dual ZT3400 Hydro Gear pumps. I have serviced this unit regularly, and it is well maintained. The Hydro Gear oil was changed at 96 hours and was due again at 500 hours. Last week I began losing power on the left side ... Dec 30, 2013 · The ZT-2800 has 10cc variable displacement seven piston pump and a 16cc fixed displacement seven piston motor and are serviceable transmissions with the filters. They use the zt2800 in there high end residential along at times the 3100. Whether there worth the extra money for you or not is up to you. I can tell you I use the ZT 2800 's in my ... Mowers Direct | Lawn Mowers & Lawn EquipmentConclusion. Overall, hydro gear ZT 3100’s performance is rather better than other transaxles. Because it shows the common problems like oil leaking, noisy transmissions, overheating, lack of power, etc. that you may face in any other machines. You can avoid these problems with proper maintenance.6. Jun 1, 2014 / Hydraulic oil type. #1. I just read an earlier informative post on changing the hydraulic oil on the Hydro-Gear ZT 3100 trans-axle system. My mower (Gravely) has the ZT 3200 with essentially the same instructions for the procedure in the Gravely Owner's manual. My question concerns the oil that is used.Thus, am considering something like a Hustler Raptor, 42". Has ZT-2200s. IMO the 1" axle makes me happier. If I really did it, I'd get 2800s - I know. But the Raptor would cut this in 20 minutes giving me less than 20 hours / year on the thing. I don't know what you guys think of those big box JDs with their low-end hydro. Bang for the buck I ...The ZT-3400 system offers an axel shaft diameter of 1.125 inches, which is perfectly in line with industry standards and expectations. Buyers who choose either the ZT-3400 HS or ZT-3400 U can choose from three different axle end choices: Tapered, 4-bolt flange, or 5-bolt flange. This makes the system effortlessly compatible with most commercial ...This video goes over how to change oil and filters on the Hydro Gear ZT-2800, ZT-3100, ZT-3200, ZT-3400, ZT-3600, and ZT-3800. You can save a lot of money by...ZT-2800, ZT-3100, ZT-3200. Search for: Recent Posts. The Show was a Success! Equip Exhibition 2022; ... Hydro-Gear selects Huntingdon, TN for its fourth U.S. location;Thus, am considering something like a Hustler Raptor, 42". Has ZT-2200s. IMO the 1" axle makes me happier. If I really did it, I'd get 2800s - I know. But the Raptor would cut this in 20 minutes giving me less than 20 hours / year on the thing. I don't know what you guys think of those big box JDs with their low-end hydro. Bang for the buck I ...The model and configuration of the ZT-2200 and ZT-2100 can be determined from the label shown in Figure 3. Figure 3. Configuration Label HYDRO-GEAR Assembled in USA ear Built ZC-BUBB-2L5B-2LPX 8 275 B1 476 -001 BOM Model Number Date (Julian- Day of year) Serial Number (unique for that model - for that day) Type of Product and Build Information Get Hydro-Gear ZT-2800-ZT-3100-ZT-3200 ZT-3400 SN BLN-52441 parts manual. Save time and money with detailed assembly, troubleshooting, and maintenance tips. Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status ZT-2800® - Hydro-Gear. It’s the largest and most rugged residential transaxle we make, tackle the toughest properties with a high-efficiency 16cc motor and 10cc pump, and a standard debris-free internal brake. The efficient, serviceable design means longer life. For even greater performance, add the optional shock valves and charge pump. Dec 30, 2013 · The ZT-2800 has 10cc variable displacement seven piston pump and a 16cc fixed displacement seven piston motor and are serviceable transmissions with the filters. They use the zt2800 in there high end residential along at times the 3100. Whether there worth the extra money for you or not is up to you. I can tell you I use the ZT 2800 's in my ... I have the transaxle removed from my Husqvarna YTH20K46 lawn tractor to repair broken mount that axle bolts to. It is equipped with the hydro gear T2 transaxle. Thought I might drain and refill the fluid at this point with almost 400 hours on the unit. I managed to find a service manual that says I need just over 2qts of 20w50 motor oil.https://amzn.to/2ElkYnX Gearwrench flex head ratchethttps://amzn.to/2Em8Gf8 Snap Ring pliers sethttps://amzn.to/2YJTFeZ Milwaukee High Torque 1/2" impact M18..."The ZT-2800, ZT-3100, ZT-3200 and ZT-3400 have an internal cog style parking brake. It is essential to fully disengage the brake prior to operation." Usually, warnings like that in a service manual suggest that this may be a common source of trouble.1 HOTOS Discussion starter · #3 · Sep 16, 2015 That is a bummer to hear. I'm going to go ahead and take it to the dealer and see what he can do. I was hoping that it might just be a seal or something that needs replaced.May 8, 2013 / 2800 hydrogear transmission will not work. #2. Did you bleed the air out of the pump, If not you need to jack the mower up, pull the bypass valve, run it forwards and backwards, then disengage the bypass and run forward and backwards. then see if it will work. If you had the charge pump off, you didn't get it mounted 180 degrees ...Dec 30, 2013 · The ZT-2800 has 10cc variable displacement seven piston pump and a 16cc fixed displacement seven piston motor and are serviceable transmissions with the filters. They use the zt2800 in there high end residential along at times the 3100. Whether there worth the extra money for you or not is up to you. I can tell you I use the ZT 2800 's in my ... The model and configuration of the ZT-2200 and ZT-2100 can be determined from the label shown in Figure 3. Figure 3. Configuration Label HYDRO-GEAR Assembled in USA ear Built ZC-BUBB-2L5B-2LPX 8 275 B1 476 -001 BOM Model Number Date (Julian- Day of year) Serial Number (unique for that model - for that day) Type of Product and Build InformationThe ZT-3400 system offers an axel shaft diameter of 1.125 inches, which is perfectly in line with industry standards and expectations. Buyers who choose either the ZT-3400 HS or ZT-3400 U can choose from three different axle end choices: Tapered, 4-bolt flange, or 5-bolt flange. This makes the system effortlessly compatible with most commercial ...The Hydro gear zt 3400 transmission system is the improvised version of the zt 3100 and zt 3200 models. But it still lacks in many aspects. Some of the operators had a hard time engaging the transmission system. So what are some of the most common Hydro gear zt 3400 problems? Moreover, transmission slippage added fuel to the fire. Hydro Gear Transmission Filter. Larger Photo. Part# B1HP600. Hydro-Static Transmission Filter used by Hydro Gear Transaxle models: ZT-2800, ZT-3100, ZT-3200, ZT-3400, and ZT-3600. Replaces Ariens/Gravely OEM# 21545100. Replaces Bad Boy OEM# 063-1050-00. Replaces Bush Hog OEM# 50052929.Hydro-Gear Drivetrain Solutions | Home troubleshooting the Hydro-Gear 310-2200 EZT ® Integrated Zero-Turn Transaxle. Also included is a glossary of terms that are frequently used throughout the industry and in Hydro-Gear service publications. Understand-ing terminology is very important! It is necessary, and a good shop practice, that your service area be equipped with the properProduct Details. Keep your machine's transaxles performing at optimum levels with routine maintenace. Hydro-Gear helps you take the guess-work out of which oil and oil filter to use in your Hydro-Gear ZT-3600 transaxles with our Hydro-Gear Commercial Transaxle Oil Service Kit. With this all-in-one kit you can quickly and easily perform an oil ... Business hours Monday to Fridays: 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status. Sign In or Register. Cart. Seal Kit. Center Section Kit. Filters. ZT 3200 Parts Lookup. Policies. Reviews.Business hours Monday to Fridays: 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status. Sign In or Register. Cart. Seal Kit. Center Section Kit. Filters. ZT 3200 Parts Lookup. Policies. Reviews. Hydro-Gear is the world’s leading manufacturer of drivetrain solutions for everything from industrial machines to residential mowers. ... ZT-3100 ; ZT-3200 ; ZT ... Hydro Gear ZT-3400 Transaxle. DESCRIPTION. The ZT-3400® was designed for mid size commercial vehicles delivering up to 500 ft/lbs of output torque. Capable of taking on tough jobs, the ZT-3400 is perfect for vehicles up to 1600 lbs. FEATURES. Durable 1.125 in axle for heavier loads. Standard shock valves for added system protection. External ...If it is not, fill to the specifications outlined. in the Check / Fill Transmission Oil Level procedure. Purging Air from the Hydraulic System: 1. Chock the front wheels to prevent the machine from rolling. Raise the rear of the machine so that the vehicle’s rear tires. do not contact the ground.ZT-3100® - Hydro-Gear. Hydro-Gear’s entry-level commercial transaxle is designed to give you reliable and quiet performance every time you turn the key. The ZT-3100® features a high-efficiency 10cc pump and 16cc motor, 1” axle shaft, and external oil filter for fast, easy maintenance. The Performance Package takes it up another notch with ... #1 I'm wondering if anyone on these forums has owned a ZTR with the EZT trannies and has had to have one repaired or replaced. If so, how many hours of service did the ZTR have on it, how large of yard (s) were mowed with it weekly and how much did the repair/replacement cost.Aug 24, 2014 · 1 - 10 of 10 Posts. Looks like there around 750$ ouch. Open the bypass on both axles, and cycle the joy sticks a few times with the engine running. Then try it again. I have 600 hrs on a max zoom. My RH hydrostat started to make noise and lost all power. It shudders and has a very distinct whine to it. Jan 2, 2015 · Reply Save Like 1 - 5 of 5 Posts V viper8524 · #2 · Jan 3, 2015 Did the new charge pump come in a kit with a new heavy duty cast cover? One thing that is very common on most hydrogear pumps and UHTs is when techs and owners remove the charge pumps they dont reinstall the covers correctly. formation useful in servicing the Hydro-Gear® ZT-2800®, ZT-3100® and ZT-3200TM Integrated Zero-Turn Transaxles. This manual includes the general descriptions, hydraulic schematics, technical specifications, servicing and trouble-shooting procedures for both transaxles. Other than recommended oil and filter changes, The ZT-3100 offers fast and easy maintenance with features like external oil filter and 1” axle shaft. It has a high efficiency 10cc pump with external filter for great durability. The ZT-3100 hydrogear is a system that provides pressurized water for verious applications. Despite of having heavy features, this machine can have start showing problems… Read More »Hydrogear ZT-3100 problemsAs it was mentioned, obviously, that is not a drain plug but rather the brake shaft. Hydro-Gear has a few different service kits depending on the specific trans setup (brake arm inboard or outboard) to take care of the leak. It appears mower OEM's (Bob-Cat at least) offers the kits also for their mowers.Smartec ZT-2800e System Production Launches; Huntingdon Factory Gains ISO Certification; New Smartec electric products debut at GIE+EXPO 2021; Hydro-Gear selects Huntingdon, TN for its fourth U.S. locationThe ZT-5400 Powertrain utilizes an internal in-line fl oating disc brake controlled by a “cam” style actuating arm. INTRODUCTION The purpose of this manual is to provide in-formation useful in servicing the Hydro-Gear ® ZT-5400 Powertrain™ Hydrostatic Transaxle. This manual includes the ZT-5400 Powertrain’s Sep 1, 2020 · Thus, am considering something like a Hustler Raptor, 42". Has ZT-2200s. IMO the 1" axle makes me happier. If I really did it, I'd get 2800s - I know. But the Raptor would cut this in 20 minutes giving me less than 20 hours / year on the thing. I don't know what you guys think of those big box JDs with their low-end hydro. Bang for the buck I ... 1 - 10 of 10 Posts. MowDaddy · #2 · Dec 25, 2018. The hydrogear transaxles are capable of 10mph. But the machine they are on may not be. It depends on bladetip speed, and quality of cut. And available power. Pully ratios on mowers are all different. You can't travel faster than the deck can process clippings.The pump or motor may become damaged or fail. 1. The transmission may not engage or disengage properly. One of the most common problems with the Hydro Gear ZT 3100 is that it may not engage or disengage properly. This can be caused by a variety of factors, including a damaged pump or motor, a clogged oil filter, or a faulty control valve.©2021 Hydro-Gear | www.hydro-gear.com • Commercial grade transmission with high-efficiency 10cc pump & 16cc motor • Performance package - Shock valves, Cut steel gears, and Charge pump • Durable 1-1/8" axle for heavier loads • Optional internal expansion tank for easier installation • Standard shock valves for added system protectionZT-3100® - Hydro-Gear. Hydro-Gear’s entry-level commercial transaxle is designed to give you reliable and quiet performance every time you turn the key. The ZT-3100® features a high-efficiency 10cc pump and 16cc motor, 1” axle shaft, and external oil filter for fast, easy maintenance. The Performance Package takes it up another notch with ... The ZT-2800, ZT-3100 and ZT-3200 are self contained units designed for the transfer and control of power. They provide an infinitely vari-able speed range between zero and maximum in both forward and reverse modes of operation. The ZT-2800, ZT-3200 and ZT-3100 transaxle uses a variable displacement pump with a maximum displacement of 10cc per ...Get Hydro-Gear ZT-2800-ZT-3100-ZT-3200 ZT-3400 SN BLN-52441 parts manual. Save time and money with detailed assembly, troubleshooting, and maintenance tips. Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status Mar 22, 2021 · Use only SAE 20W50 SL/SM service motor oil. Initial system oil and filter change must be after the first 75 hours of use or 1 year whichever comes first. Thereafter, replace filter and oil in each transmission every 2 years or 200 hours, whichever comes first. NOTE: The filter guard must be removed to access filter. I'm looking at the gravely pro turn 160 and ferris 700is that both have the Dual Hydro-Gear ZT-3400 transaxles with 7" mounted cooling fans. Versus a grasshopper 226v with Smooth H1 hydrostatic pump and wheel motor drive system with cooling fans and 7 micron absolute filter. And a scag tiger cat with Dual Pumps; 10cc displacement, Hydro-Gear.Step-by-step instructions for purging the air from Hydro-Gear transaxles after servicing or changing the oil. For more information, visit your local dealer o...Description. ZT-3100® DESCRIPTION The ZT-3100® is Hydro-Gear's entry-level commercial-grade transaxle. Providing all the power you've come to expect from our commercial-grade products. FEATURES Commercial-grade design for heavier loads Standard charge pump for increased performance External oil filter for easier maintenance.Hydro-Gear Drivetrain Solutions | HomeStep-by-step instructions for purging the air from Hydro-Gear transaxles after servicing or changing the oil. For more information, visit your local dealer o...The model and configuration of the ZT-2200 and ZT-2100 can be determined from the label shown in Figure 3. Figure 3. Configuration Label HYDRO-GEAR Assembled in USA ear Built ZC-BUBB-2L5B-2LPX 8 275 B1 476 -001 BOM Model Number Date (Julian- Day of year) Serial Number (unique for that model - for that day) Type of Product and Build Information Parts List Specifications Troubleshooting Service & Maintenance Information PUMPS P Series - PC, PG, PE, PJ, PK, PR, PW, PY 1 file (s) 9 MB Download PL 1 file (s) 6 MB Download MOTORS HEM 1 file (s) 2 MB Download HGM-C 1 file (s) 2 MB Download HGM-E 1 file (s) 2 MB Download HGM-H 1 file (s) 4 MB Download HGM-P 1 file (s) 2 MB Download PRMSep 3, 2012 · To put it in layman's terms, :smile: The hydro gears transaxles setups are all basically the same. The ZT-3100/3400/5400 are all commercial units. The differences are the sizes of the pumps and motors in each. Check there site Hydro-Gear Hydrostatic Drives Transmissions and Transaxles it can or will explain it better than than anyone can. EZ 5221 KAA mod# 968999292 Mfg 2006 Hydro gear #Zh-GCEE-1BXX EZ 5221 KAA mod####-##-#### Mfg 2006 Hydro gear #Zh-GCEE-1BXX Have leak in right side pump on bottom that looks like a plate removeable by two bolts, below pulley/fan assembly, the same right side pum …Get Hydro-Gear ZT-2800-ZT-3100-ZT-3200 ZT-3400 SN BLN-52441 parts manual. Save time and money with detailed assembly, troubleshooting, and maintenance tips. Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status©2021 Hydro-Gear | www.hydro-gear.com • Commercial grade transmission with high-efficiency 10cc pump & 16cc motor • Performance package - Shock valves, Cut steel gears, and Charge pump • Durable 1-1/8" axle for heavier loads • Optional internal expansion tank for easier installation • Standard shock valves for added system protectionGet Hydro-Gear ZT-2800-ZT-3100-ZT-3200 ZT-3400 SN BLN-52441 parts manual. Save time and money with detailed assembly, troubleshooting, and maintenance tips. Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status Thus, am considering something like a Hustler Raptor, 42". Has ZT-2200s. IMO the 1" axle makes me happier. If I really did it, I'd get 2800s - I know. But the Raptor would cut this in 20 minutes giving me less than 20 hours / year on the thing. I don't know what you guys think of those big box JDs with their low-end hydro. Bang for the buck I ...Keep your machine's transaxles performing at optimum levels with routine maintenace. Hydro-Gear helps you take the guess-work out of which oil and oil filter to use in your Hydro-Gear ZT-3200 transaxles with our Hydro-Gear Commercial Transaxle Oil Service Kit. With this all-in-one kit you can quickly and easily perform an oil change on both ...Aug 24, 2014 · 1 - 10 of 10 Posts. Looks like there around 750$ ouch. Open the bypass on both axles, and cycle the joy sticks a few times with the engine running. Then try it again. I have 600 hrs on a max zoom. My RH hydrostat started to make noise and lost all power. It shudders and has a very distinct whine to it. Sep 16, 2015 · It uses dual ZT3400 Hydro Gear pumps. I have serviced this unit regularly, and it is well maintained. The Hydro Gear oil was changed at 96 hours and was due again at 500 hours. Last week I began losing power on the left side, especially on an incline when it is under a load. Get Hydro-Gear ZT-2800-ZT-3100-ZT-3200 ZT-3400 SN BLN-52441 parts manual. Save time and money with detailed assembly, troubleshooting, and maintenance tips. Business hours Monday to Fridays : 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order StatusAug 24, 2014 · 1 - 10 of 10 Posts. Looks like there around 750$ ouch. Open the bypass on both axles, and cycle the joy sticks a few times with the engine running. Then try it again. I have 600 hrs on a max zoom. My RH hydrostat started to make noise and lost all power. It shudders and has a very distinct whine to it. Business hours Monday to Fridays: 8:30 am - 5:00 pm. EST - Call us at (561) 880-4022 Check Order Status. Sign In or Register. Cart. Seal Kit. Center Section Kit. Filters. ZT 3200 Parts Lookup. Policies. Reviews. Dec 30, 2013 · The ZT-2800 has 10cc variable displacement seven piston pump and a 16cc fixed displacement seven piston motor and are serviceable transmissions with the filters. They use the zt2800 in there high end residential along at times the 3100. Whether there worth the extra money for you or not is up to you. I can tell you I use the ZT 2800 's in my ... Repeat steps 6 and 7 three times. This purges any air from the hydraulic transmission system. Put the control levers in neutral (N). Shut the engine off and set the parking brake. Check the oil and top off if necessary. Engage transmission. Remove from jackstands, start the engine, and disengage the brake.
Step-by-step instructions for changing the oil in select Hydro-Gear transaxles. This video applies to ZT-2800, ZT-3100, ZT-3200, ZT-3400, and ZT-3600. For mo.... Aa
Service Videos. Replacing Trunion & Input Seals on Hydro-Gear Transaxles. Input Seal Replacement for ZT-2200 (EZT) Trunnion Seal Replacement for ZT-2800 & ZT-3100. Transaxle Oil Change Procedure.ZT-3200 ™ Commercial grade transaxle for lighter weight applications ... [email protected]. 1411 South Hamilton Street Sullivan, Illinois 61951 . Navigation ...May 9, 2016 · Ntran · #6 · Jun 30, 2016. Both are rated commercial by Hydro Gear. 3100 is entry level with 350lb-ft of output torque and gross vehicle weight of 1,200lbs vs 3400 (500 lb-ft and 1,600lb). The ZT3,400 usually equipped on heavier mowers. For personal use, any of these would serve you well for years with proper maintenance. Hydro-Gear Drivetrain Solutions | Home Jun 1, 2014 · Jun 1, 2014 / Hydraulic oil type. #1. I just read an earlier informative post on changing the hydraulic oil on the Hydro-Gear ZT 3100 trans-axle system. My mower (Gravely) has the ZT 3200 with essentially the same instructions for the procedure in the Gravely Owner's manual. My question concerns the oil that is used. The Hydro gear zt 3400 transmission system is the improvised version of the zt 3100 and zt 3200 models. But it still lacks in many aspects. Some of the operators had a hard time engaging the transmission system. So what are some of the most common Hydro gear zt 3400 problems? Moreover, transmission slippage added fuel to the fire. 1,685. Nov 22, 2018 / ZT 3400 Hydrogear Longevity. #6. I've only got 300 hours on my 3400 trans with no issues so I don't think that helps. But I wanted to say that I am very impressed with how smoothly the hydros operate on my Bob-Cat. Much smoother than the pump and wheel motor combo on my Exmark.ZT-2800, ZT-3100, ZT-3200. Search for: Recent Posts. The Show was a Success! Equip Exhibition 2022; ... Hydro-Gear selects Huntingdon, TN for its fourth U.S. location;These transmission systems are Dual Pump & Motor, Hydro-Gear ZT-2800, Hydro-Gear ZT-3100, Hydro-Gear ZT-3400, and Hydro-Gear ZT-5400. However, although all dive systems also feature commercial transmissions with stronger axles, yet, among them, the Hydro-Gear ZT-5400 transaxles provide a much better Standard-Duty with a commercial-grade drive ...1,685. Nov 22, 2018 / ZT 3400 Hydrogear Longevity. #6. I've only got 300 hours on my 3400 trans with no issues so I don't think that helps. But I wanted to say that I am very impressed with how smoothly the hydros operate on my Bob-Cat. Much smoother than the pump and wheel motor combo on my Exmark.Jun 4, 2015 · C. cabman77 Discussion starter · Jun 4, 2015. forgive me if this is in the wrong place: i am trying to compare the hydro gear zt2800/zt3100 transmissions to the transmissions now offered in limited-commercial-use John Deere zero turn mowers. I have been unable to find out where the Tuff Torq (Kanzaki) TZT7-D lies in comparison to the hydro ... Hydro Gear ZT-3400 Transaxle. DESCRIPTION. The ZT-3400® was designed for mid size commercial vehicles delivering up to 500 ft/lbs of output torque. Capable of taking on tough jobs, the ZT-3400 is perfect for vehicles up to 1600 lbs. FEATURES. Durable 1.125 in axle for heavier loads. Standard shock valves for added system protection. External ... Hydro Gear ZT-3400 Transaxle. DESCRIPTION. The ZT-3400® was designed for mid size commercial vehicles delivering up to 500 ft/lbs of output torque. Capable of taking on tough jobs, the ZT-3400 is perfect for vehicles up to 1600 lbs. FEATURES. Durable 1.125 in axle for heavier loads. Standard shock valves for added system protection. External ...Nov 20, 2018 · Step-by-step instructions for changing the oil in select Hydro-Gear transaxles. This video applies to ZT-2800, ZT-3100, ZT-3200, ZT-3400, and ZT-3600. For mo... .