Transmissions

Hydro Transmission Lawn Mower Parts

Hydro transmission lawn mower parts are used in hydrostatic drive systems that help transfer power from the engine to the wheels on compatible lawn mowers, zero turn mowers and outdoor power equipment. This category may include HydroGear transmission components, transaxles and related hydrostatic drive parts used for repair, replacement and maintenance.

 

HydroGear Transmission Parts by Unit Model and Fitment

A HydroGear transmission part should be selected using the correct equipment model, hydrostatic unit model, tag number, serial number, drive configuration and original part number. Because hydrostatic transmissions can vary by mower brand, transaxle design, pump setup and production range, each replacement should be checked against the parts diagram and product details before ordering.

  • Transmission Coverage: Includes hydro transmission lawn mower parts for compatible mower, zero turn and hydrostatic drive applications.
  • HydroGear Transmission Fitment: Customers looking for HydroGear transmission replacements should confirm unit model, tag number, serial number and part number.
  • Drive System Function: Helps transfer hydraulic power through the mower drive system for movement, speed control and traction.
  • Common Components: May include transaxles, housings, shafts, gears, seals, filters, fans, pulleys, caps, arms, levers and related hydrostatic parts.
  • Fitment Details: Use equipment model, HydroGear unit model, serial number, tag details, part number or parts diagram to select the correct replacement.

Find the correct hydro transmission lawn mower part: Review your equipment model, HydroGear transmission model, tag number, serial number, original part number and product details before selecting a replacement. For help identifying compatible HydroGear transmission parts, visit the Help Center or contact customer support.

  • Product
  • Qty in Cart
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  • Price
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  • Hydro Gear Kit Center Section Rh Charge 73296 - Image 1

    73296 Kit Center Section Rh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $170.62
    $153.55
    Engineered Precision, Unmatched Reliability. Robust Center Section Design for consistent charge pressure and smooth operation. Seamless Integration with Hydro-Gear transmissions to maintain optimal...
    $170.62
    $153.55
    Qty in Cart: 0
    Quantity:
    Price:
    $170.62
    $153.55
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  • Hydro Gear Kit Center Section Lh Charge 73288 - Image 1

    73288 Kit Center Section Lh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $153.87
    $138.48
    Precision engineering meets uncompromising reliability Engineered to seamlessly restore your drive system’s charge section functionality Robust design ensures long-lasting performance under...
    $153.87
    $138.48
    Qty in Cart: 0
    Quantity:
    Price:
    $153.87
    $138.48
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  • 73441 Center Section HydroGear Genuine OEM Part

    73441 Center Section HydroGear Genuine OEM Part

    HYDRO GEAR

    $410.20
    $369.18
    Precision-engineered reliability for your drive system. Durable construction designed to withstand demanding conditions. Maintains seamless hydraulic performance essential for optimal operation...
    $410.20
    $369.18
    Qty in Cart: 0
    Quantity:
    Price:
    $410.20
    $369.18
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  • HYDRO GEAR Kit Center Section Rh Charge HydroGear Genuine OEM Part 73302 - Image 1

    73302 Kit Center Section Rh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $147.94
    $133.14
    Precision engineered to maintain your mower’s peak drive system integrity Robust design ensuring seamless power delivery under heavy use Exact OEM fit from Hydro-Gear, guaranteeing reliability and...
    $147.94
    $133.14
    Qty in Cart: 0
    Quantity:
    Price:
    $147.94
    $133.14
    Subtotal:
  • HYDRO GEAR Kit Center Section Rh Charge HydroGear Genuine OEM Part 73300 - Image 1

    73300 Kit Center Section Rh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $168.65
    $151.78
    Power your equipment with precision and reliability Engineered for seamless integration and long-lasting performance Essential component to maintain hydraulic system efficiency 100% genuine OEM part...
    $168.65
    $151.78
    Qty in Cart: 0
    Quantity:
    Price:
    $168.65
    $151.78
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  • Tuff Torq Conversion Kit -Kmh50A 99752399010 - Image 1

    99752399010 Conversion Kit Kmh50A Tuff Torq Genuine OEM Part

    Tuff Torq

    $2,419.55
    $2,177.59
    Experience uncompromised performance with genuine OEM engineering. Optimized for seamless fit and durable operation under demanding conditions. Designed to maintain the integrity and smooth function...
    $2,419.55
    $2,177.59
    Qty in Cart: 0
    Quantity:
    Price:
    $2,419.55
    $2,177.59
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  • 97752504610 Kmh61A Cooler Kit Tuff Torq Genuine OEM Part

    97752504610 Kmh61A Cooler Kit Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,623.87
    $1,461.48
    Precision cooling engineered to extend transmission life Robust design for consistent heat dissipation under heavy-duty conditions Manufactured as an authentic OEM component by Tuff Torq for...
    $1,623.87
    $1,461.48
    Qty in Cart: 0
    Quantity:
    Price:
    $1,623.87
    $1,461.48
    Subtotal:
  • Tuff Torq Kit-Km35A2G 2.64 KIT-KM35A2G - Image 1

    KITKM35A2G KitKm35A2G 2.64 Tuff Torq Genuine OEM Part

    Tuff Torq

    $3,439.70
    $3,095.73
    Experience unmatched durability and precision with the Tuff Torq KIT-KM35A2G, designed to uphold your machine’s peak performance. Engineered for exact fit and seamless integration, this kit ensures...
    $3,439.70
    $3,095.73
    Qty in Cart: 0
    Quantity:
    Price:
    $3,439.70
    $3,095.73
    Subtotal:
  • HYDRO GEAR Kit Center Section Right Hand Charge HydroGear Genuine OEM Part 73289 - Image 1

    73289 Kit Center Section Right Hand Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $154.58
    $139.12
    Precision engineered for seamless integration—experience unmatched reliability with every use Durable construction ensures long-lasting performance under rigorous conditions Genuine Hydro-Gear OEM...
    $154.58
    $139.12
    Qty in Cart: 0
    Quantity:
    Price:
    $154.58
    $139.12
    Subtotal:
  • Tuff Torq Tz-450C-X Lh 787Q2124060 - Image 1

    787Q2124060 Tz450CX Left Hand Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,381.52
    $1,243.36
    Tuff Torq 787Q2124060 is a high-quality left hand replacement part made from durable materials and fully authorized as a genuine OEM component. This part directly controls the left-hand...
    $1,381.52
    $1,243.36
    Qty in Cart: 0
    Quantity:
    Price:
    $1,381.52
    $1,243.36
    Subtotal:
  • 787Q2124010 Tz400BY Right Hand Tuff Torq Genuine OEM Part

    787Q2124010 Tz400BY Right Hand Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,333.18
    $1,199.86
    Precision engineered for seamless lawn mower operation Durable construction ensures long-lasting performance Exact fit guaranteed with genuine OEM Tuff Torq quality Restore your mower’s efficiency...
    $1,333.18
    $1,199.86
    Qty in Cart: 0
    Quantity:
    Price:
    $1,333.18
    $1,199.86
    Subtotal:
  • 787Q1624160 Tz300PX Left Hand Tuff Torq Genuine OEM Part

    787Q1624160 Tz300PX Left Hand Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,248.56
    $1,123.70
    Precision engineered for unmatched durability and performance Essential replacement for maintaining your mower’s smooth operation Genuine OEM component ensuring perfect fit and long-lasting...
    $1,248.56
    $1,123.70
    Qty in Cart: 0
    Quantity:
    Price:
    $1,248.56
    $1,123.70
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  • Tuff Torq Ktm13U Hsq 787K0027100 - Image 1

    787K0027100 Ktm13U Husqvarna Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,127.18
    $1,014.46
    Drive with Confidence – Trust Genuine Hydro-Gear Engineering Precision-crafted for seamless integration and long-lasting performance Robust construction designed to withstand rigorous outdoor...
    $1,127.18
    $1,014.46
    Qty in Cart: 0
    Quantity:
    Price:
    $1,127.18
    $1,014.46
    Subtotal:
  • Tuff Torq Ktm10M Sti 787K0027090 - Image 1

    787K0027090 Ktm10M Sti Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,237.96
    $1,114.16
    Precision engineered for flawless integration — experience the difference of a drive system component crafted to exact Hydro-Gear specifications. Robust construction ensures long-lasting operation,...
    $1,237.96
    $1,114.16
    Qty in Cart: 0
    Quantity:
    Price:
    $1,237.96
    $1,114.16
    Subtotal:
  • Tuff Torq Ktm10G 787K0027080 - Image 1

    787K0027080 Ktm10G Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,233.50
    $1,110.15
    Precision that powers your mower’s heart Robust durability for extended service life Engineered to exact OEM specifications for flawless fit Authentic Tuff Torq OEM component ensuring uncompromised...
    $1,233.50
    $1,110.15
    Qty in Cart: 0
    Quantity:
    Price:
    $1,233.50
    $1,110.15
    Subtotal:
  • 787K0027070 Ktm 10 F Tuff Torq Genuine OEM Part

    787K0027070 Ktm 10 F Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,253.89
    $1,128.50
    Precision Engineering Meets Rugged Reliability Robust build designed to maintain optimal equipment performance under demanding conditions Seamless integration ensuring exact fit for your KTM 10 F...
    $1,253.89
    $1,128.50
    Qty in Cart: 0
    Quantity:
    Price:
    $1,253.89
    $1,128.50
    Subtotal:
  • 787K0026090 Ktm10Sa Husqvarna Shipped Without Oil Tuff Torq Genuine OEM Part

    787K0026090 Ktm10Sa Husqvarna Shipped Without Oil Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,112.45
    $1,001.20
    Experience unmatched reliability engineered to keep your equipment running stronger, longer Designed specifically for precision, ensuring seamless integration with your drive system Constructed with...
    $1,112.45
    $1,001.20
    Qty in Cart: 0
    Quantity:
    Price:
    $1,112.45
    $1,001.20
    Subtotal:
  • Tuff Torq Eo171 4Wd 7A705024000 - Image 1

    7A705024000 Eo171 4Wd Tuff Torq Genuine OEM Part

    Tuff Torq

    $6,807.29
    $6,126.56
    Drive with precision and confidence: engineered to maintain your equipment's peak performance. Robust 4WD transmission design: tailored for smooth, reliable operation under demanding conditions...
    $6,807.29
    $6,126.56
    Qty in Cart: 0
    Quantity:
    Price:
    $6,807.29
    $6,126.56
    Subtotal:
  • Tuff Torq Eo171 Mfws 7A705013001 - Image 1

    7A705013001 Eo171 Mfws Tuff Torq Genuine OEM Part

    Tuff Torq

    $4,896.12
    $4,406.50
    Precision engineered for seamless power and reliability. Exceptional durability to withstand rigorous lawn care demands. Manufactured as an authentic OEM component by Tuff Torq, guaranteeing perfect...
    $4,896.12
    $4,406.50
    Qty in Cart: 0
    Quantity:
    Price:
    $4,896.12
    $4,406.50
    Subtotal:
  • Tuff Torq Uv50N T/M 4Wd 7N359024080 - Image 1

    7N359024080 Uv50N T/M 4Wd Tuff Torq Genuine OEM Part

    Tuff Torq

    $8,439.34
    $7,595.40
    Precision engineering powering your reliable drive system Durable design ensuring consistent transmission performance under demanding conditions Authentic Tuff Torq OEM quality guaranteeing exact...
    $8,439.34
    $7,595.40
    Qty in Cart: 0
    Quantity:
    Price:
    $8,439.34
    $7,595.40
    Subtotal:
  • Tuff Torq Hst Set 7E127129001 - Image 1

    7E127129001 Hydrostatic Transmission Set Tuff Torq Genuine OEM Part

    Tuff Torq

    $8,166.59
    $7,349.93
    Precision-engineered for seamless integration and dependable power transfer. Robust hydrostatic transmission designed to deliver consistent performance under demanding conditions. Crafted as a...
    $8,166.59
    $7,349.93
    Qty in Cart: 0
    Quantity:
    Price:
    $8,166.59
    $7,349.93
    Subtotal:
  • Tuff Torq Eo758C 7E127124020 - Image 1

    7E127124020 Eo758C Tuff Torq Genuine OEM Part

    Tuff Torq

    $10,221.76
    $9,199.58
    Trust the precision craftsmanship designed to keep your machinery running at peak efficiency Engineered for durability with robust materials ensuring extended service life Certified genuine OEM part...
    $10,221.76
    $9,199.58
    Qty in Cart: 0
    Quantity:
    Price:
    $10,221.76
    $9,199.58
    Subtotal:
  • Tuff Torq Hst Kit Eo756 4Wd 7E127029020 - Image 1

    7E127029020 Hydrostatic Transmission Kit Eo756 4Wd Tuff Torq Genuine OEM Part

    Tuff Torq

    $5,942.42
    $5,348.17
    Engineered for precision and durability, the 7E127029020 kit delivers unmatched reliability High-performance components designed to maintain smooth and responsive hydrostatic transmission...
    $5,942.42
    $5,348.17
    Qty in Cart: 0
    Quantity:
    Price:
    $5,942.42
    $5,348.17
    Subtotal:
  • Tuff Torq Hst Kit Eo756 2Wd 7E127029010 - Image 1

    7E127029010 Hydrostatic Transmission Kit Eo756 2Wd Tuff Torq Genuine OEM Part

    Tuff Torq

    $5,983.78
    $5,385.40
    Engineered for unmatched reliability and seamless power delivery Includes all essential components for a complete hydrostatic transmission overhaul Designed to restore your machine’s original...
    $5,983.78
    $5,385.40
    Qty in Cart: 0
    Quantity:
    Price:
    $5,983.78
    $5,385.40
    Subtotal:
  • Tuff Torq Eo756E 4Wd 7E127024030 - Image 1

    7E127024030 Eo756E 4Wd Tuff Torq Genuine OEM Part

    Tuff Torq

    $14,149.40
    $12,734.46
    Precision-crafted to empower your equipment beyond expectations Exceptional durability for seamless 4-wheel drive operation Engineered with exact specifications to ensure perfect fit and...
    $14,149.40
    $12,734.46
    Qty in Cart: 0
    Quantity:
    Price:
    $14,149.40
    $12,734.46
    Subtotal:
  • 7E127024020 Eo756D 2Wd Tuff Torq Genuine OEM Part

    7E127024020 Eo756D 2Wd Tuff Torq Genuine OEM Part

    Tuff Torq

    $6,839.04
    $6,155.13
    Precision engineered for seamless integration and unmatched reliability. Durable construction designed to withstand rigorous outdoor conditions. Guaranteed genuine Tuff Torq OEM component for...
    $6,839.04
    $6,155.13
    Qty in Cart: 0
    Quantity:
    Price:
    $6,839.04
    $6,155.13
    Subtotal:
  • 7E127013010 Mrwd Kit Eo756F Mrwd Tuff Torq Genuine OEM Part

    7E127013010 Mrwd Kit Eo756F Mrwd Tuff Torq Genuine OEM Part

    Tuff Torq

    $5,868.79
    $5,281.91
    Precision-engineered for seamless integration and dependable performance Enhances durability, ensuring your drive system operates smoothly under all conditions Essential for maintaining optimal...
    $5,868.79
    $5,281.91
    Qty in Cart: 0
    Quantity:
    Price:
    $5,868.79
    $5,281.91
    Subtotal:
  • Tuff Torq Ktm23Lc 187K1024040 - Image 1

    187K1024040 Ktm23Lc Tuff Torq Genuine OEM Part

    Tuff Torq

    $4,584.48
    $4,126.03
    Engineered Excellence for Unmatched Drive Performance Precision-fit component designed for seamless integration Durable build ensuring prolonged equipment lifespan Genuine Tuff Torq OEM part crafted...
    $4,584.48
    $4,126.03
    Qty in Cart: 0
    Quantity:
    Price:
    $4,584.48
    $4,126.03
    Subtotal:
  • Tuff Torq Ktm23Sb 187K1024030 - Image 1

    187K1024030 Ktm23Sb Tuff Torq Genuine OEM Part

    Tuff Torq

    $5,120.48
    $4,608.43
    Engineered Excellence in Every Component Precision-fit design guarantees optimal performance and minimal wear Durable materials crafted to withstand demanding operating conditions Authentic OEM part...
    $5,120.48
    $4,608.43
    Qty in Cart: 0
    Quantity:
    Price:
    $5,120.48
    $4,608.43
    Subtotal:
  • Tuff Torq Ktm23Lb 187K1024020 - Image 1

    187K1024020 Ktm23Lb Tuff Torq Genuine OEM Part

    Tuff Torq

    $3,949.12
    $3,554.20
    Precision-engineered reliability for uncompromised performance. Robust design guarantees durability under demanding conditions. Seamless integration with your existing Tuff Torq system for optimal...
    $3,949.12
    $3,554.20
    Qty in Cart: 0
    Quantity:
    Price:
    $3,949.12
    $3,554.20
    Subtotal:
  • Tuff Torq Ktm23Sa 187K1024010 - Image 1

    187K1024010 Ktm23Sa Tuff Torq Genuine OEM Part

    Tuff Torq

    $5,325.82
    $4,793.23
    Experience authentic engineering excellence with the trusted precision of Tuff Torq. Designed for seamless fit and lasting performance in your equipment. Engineered to withstand the toughest...
    $5,325.82
    $4,793.23
    Qty in Cart: 0
    Quantity:
    Price:
    $5,325.82
    $4,793.23
    Subtotal:
  • Tuff Torq Ktm23La 187K1024000 - Image 1

    187K1024000 Ktm23La Tuff Torq Genuine OEM Part

    Tuff Torq

    $3,825.09
    $3,442.58
    Precision-driven engineering for unmatched reliability Optimized performance to keep your machine running smoothly Built to OEM standards by Tuff Torq, guaranteeing perfect...
    $3,825.09
    $3,442.58
    Qty in Cart: 0
    Quantity:
    Price:
    $3,825.09
    $3,442.58
    Subtotal:
  • Tuff Torq Khs-23Jtm Hst Kit 168H8M29001 - Image 1

    168H8M29001 Khs23Jtm Hydrostatic Transmission Kit Tuff Torq Genuine OEM Part

    Tuff Torq

    $4,056.62
    $3,650.95
    Precision engineered for lasting performance excellence Ensures seamless power transfer and smooth operation Comes as an authentic OEM part to guarantee compatibility and durability 168H8M29001...
    $4,056.62
    $3,650.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4,056.62
    $3,650.95
    Subtotal:
  • Tuff Torq Differential Lock Slider 19485433110 - Image 1

    19485433110 Differential Lock Slider Tuff Torq Genuine OEM Part

    Tuff Torq

    $155.69
    $140.12
    Engineered for seamless integration and peak performance Robust design to withstand demanding operational conditions Precise fitment as an authentic Tuff Torq genuine OEM component 19485433110...
    $155.69
    $140.12
    Qty in Cart: 0
    Quantity:
    Price:
    $155.69
    $140.12
    Subtotal:
  • Tuff Torq Differential Slider Lock 19413033100 - Image 1

    19413033100 Differential Slider Lock Tuff Torq Genuine OEM Part

    Tuff Torq

    $109.06
    $98.15
    Precision engineered for reliable differential locking action. Durable construction designed to withstand demanding operational conditions. Authentic OEM component from Tuff Torq guaranteeing...
    $109.06
    $98.15
    Qty in Cart: 0
    Quantity:
    Price:
    $109.06
    $98.15
    Subtotal:
  • Tuff Torq Differential Carrier 19217224170 - Image 1

    19217224170 Differential Carrier Tuff Torq Genuine OEM Part

    Tuff Torq

    $106.29
    $95.66
    Tuff Torq 19217224170 Differential Carrier made of high-grade metal for durability and OEM condition Essential for accurate torque distribution within Tuff Torq transmissions Constructed to...
    $106.29
    $95.66
    Qty in Cart: 0
    Quantity:
    Price:
    $106.29
    $95.66
    Subtotal:
  • Tuff Torq Differential Set 19215799700 - Image 1

    19215799700 Differential Set Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,000.94
    $900.84
    Power your ride with precision-engineered reliability from Tuff Torq Designed to deliver smooth torque transfer for optimal drive system performance Constructed to endure rigorous operating...
    $1,000.94
    $900.84
    Qty in Cart: 0
    Quantity:
    Price:
    $1,000.94
    $900.84
    Subtotal:
  • Tuff Torq Differential Fulcrum Set 19215733110 - Image 1

    19215733110 Differential Fulcrum Set Tuff Torq Genuine OEM Part

    Tuff Torq

    $27.29
    $24.56
    Engineered for seamless power transfer and unyielding durability Precision-crafted Differential Fulcrum Set ensures optimal drive system integrity Robust construction designed to withstand rigorous...
    $27.29
    $24.56
    Qty in Cart: 0
    Quantity:
    Price:
    $27.29
    $24.56
    Subtotal:
  • Tuff Torq Differential Lock Shifter 19215333100 - Image 1

    19215333100 Differential Lock Shifter Tuff Torq Genuine OEM Part

    Tuff Torq

    $112.70
    $101.43
    Precision-engineered for seamless control and lasting performance Robust, responsive differential locking mechanism for optimized traction Manufactured as a genuine Tuff Torq OEM component for...
    $112.70
    $101.43
    Qty in Cart: 0
    Quantity:
    Price:
    $112.70
    $101.43
    Subtotal:
  • 187Q1699120 Repair Kit Tz300 Tuff Torq Genuine OEM Part

    187Q1699120 Repair Kit Tz300 Tuff Torq Genuine OEM Part

    Tuff Torq

    $336.53
    $302.87
    Keep your mower running like new with trusted quality and precision. Complete repair kit designed to restore your Tuff Torq transmission efficiently. Includes all essential components for a smooth...
    $336.53
    $302.87
    Qty in Cart: 0
    Quantity:
    Price:
    $336.53
    $302.87
    Subtotal:
  • Total: items /

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