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
  • Quantity
  • Price
  • Subtotal
  • 72772 Kit Center Section Left Hand Charge HydroGear Genuine OEM Part

    72772 Kit Center Section Left Hand Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $189.49
    $170.54
    Power your mower with precision and reliability Engineered for seamless integration and long-lasting performance Designed to maintain peak hydraulic function for your equipment 100% Genuine OEM...
    $189.49
    $170.54
    Qty in Cart: 0
    Quantity:
    Price:
    $189.49
    $170.54
    Subtotal:
  • 72500 Service Kit Center Section With HydroGear Genuine OEM Part

    72500 Service Kit Center Section With HydroGear Genuine OEM Part

    HYDRO GEAR

    $135.88
    $122.29
    Restore equipment efficiency with authentic HYDRO GEAR parts designed for longevity and performance Comprehensive service kit center section to maintain critical drive system components Designed to...
    $135.88
    $122.29
    Qty in Cart: 0
    Quantity:
    Price:
    $135.88
    $122.29
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  • Hydro Gear Kit C-Section 70684 - Image 1

    70684 Kit CSection HydroGear Genuine OEM Part

    HYDRO GEAR

    $444.14
    $399.72
    HYDRO GEAR 70684 Kit CSection is an OEM replacement part made from durable, high-grade materials ensuring exact fit and function. This kit provides critical sealing and structural support within...
    $444.14
    $399.72
    Qty in Cart: 0
    Quantity:
    Price:
    $444.14
    $399.72
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  • Hydro Gear 70708 - Kit Center Section - Original OEM part

    70708 Kit Center Section HydroGear Genuine OEM Part

    HYDRO GEAR

    $456.04
    $410.43
    The HYDRO GEAR 70708 Kit Center Section is a precision-engineered hydraulic component made from durable metal alloy, supplied as a genuine OEM part. This part serves as the core center section of...
    $456.04
    $410.43
    Qty in Cart: 0
    Quantity:
    Price:
    $456.04
    $410.43
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  • 71974 Kit Center Section Right Hand Charge HydroGear Genuine OEM Part

    71974 Kit Center Section Right Hand Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $278.22
    $250.39
    HYDRO GEAR 71974 Kit Center Section Right Hand Charge made from high-quality materials in OEM condition Precisely engineered to control hydraulic flow ensuring smooth tool operation ...
    $278.22
    $250.39
    Qty in Cart: 0
    Quantity:
    Price:
    $278.22
    $250.39
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  • 71564 Kit Center Section Left Hand HydroGear Genuine OEM Part

    71564 Kit Center Section Left Hand HydroGear Genuine OEM Part

    HYDRO GEAR

    $283.76
    $255.38
    HYDRO GEAR 71564 Kit Center Section Left Hand is a durable metal OEM replacement component for hydrostatic drive systems. It ensures precise hydraulic control essential for smooth machine...
    $283.76
    $255.38
    Qty in Cart: 0
    Quantity:
    Price:
    $283.76
    $255.38
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  • Hydro Gear Kit Center Section 71995 - Image 1

    71995 Kit Center Section HydroGear Genuine OEM Part

    HYDRO GEAR

    $370.52
    $333.46
    Dependability in every drive – engineered to keep your equipment moving forward. Precision fit and durability ensure seamless integration and long-lasting performance. Essential for maintaining...
    $370.52
    $333.46
    Qty in Cart: 0
    Quantity:
    Price:
    $370.52
    $333.46
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  • Hydro Gear Transmission Hydrostatic BDU BDU-10L-216 - Image 1

    BDU10L216 Transmission Hydrostatic Bdu HydroGear Genuine OEM Part

    HYDRO GEAR

    $1,532.36
    $1,379.12
    The BDU-10L-216 is a hydrostatic transmission part made from high-grade metal alloy, ensuring OEM quality and precision. This transmission provides smooth and consistent power transfer to your...
    $1,532.36
    $1,379.12
    Qty in Cart: 0
    Quantity:
    Price:
    $1,532.36
    $1,379.12
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  • Hydro Gear Kit Center Section Rh Charge 73312 - Image 1

    73312 Kit Center Section Rh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $147.14
    $132.42
    Precision engineered for seamless drive system performance Optimized for durability and exact fit on Hydro-Gear equipment Maintains smooth hydraulic functionality and prolongs mower life Authentic...
    $147.14
    $132.42
    Qty in Cart: 0
    Quantity:
    Price:
    $147.14
    $132.42
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  • HYDRO GEAR Kit Centersection Lh HydroGear Genuine OEM Part 73442 - Image 1

    73442 Kit Centersection Lh HydroGear Genuine OEM Part

    HYDRO GEAR

    $413.39
    $372.05
    Precision engineered reliability for your mower’s heart Exceptional durability designed to withstand rigorous use Perfect OEM fit guaranteeing seamless integration Authentic Hydro-Gear OEM part...
    $413.39
    $372.05
    Qty in Cart: 0
    Quantity:
    Price:
    $413.39
    $372.05
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  • HYDRO GEAR Kit Center Section HydroGear Genuine OEM Part 73303 - Image 1

    73303 Kit Center Section HydroGear Genuine OEM Part

    HYDRO GEAR

    $146.40
    $131.76
    Power your mower with precision and reliability Engineered for seamless integration and long-lasting performance Essential center section kit to maintain smooth operation 100% Genuine OEM HYDRO GEAR...
    $146.40
    $131.76
    Qty in Cart: 0
    Quantity:
    Price:
    $146.40
    $131.76
    Subtotal:
  • HYDRO GEAR Kit Center Section Lh Charge HydroGear Genuine OEM Part 73301 - Image 1

    73301 Kit Center Section Lh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $167.09
    $150.38
    Precision engineered for seamless performance and durability Essential component ensuring efficient hydraulic charge and operation Genuine OEM part guaranteeing perfect fit and reliability Keep your...
    $167.09
    $150.38
    Qty in Cart: 0
    Quantity:
    Price:
    $167.09
    $150.38
    Subtotal:
  • Tuff Torq Repair Kit Tz-350 187Q1699130 - Image 1

    187Q1699130 Repair Kit Tz350 Tuff Torq Genuine OEM Part

    Tuff Torq

    $324.22
    $291.79
    Precision engineered for lasting reliability and seamless operation. Comprehensive repair kit designed specifically for Tz-350 models. Includes all essential components to maintain optimal drive...
    $324.22
    $291.79
    Qty in Cart: 0
    Quantity:
    Price:
    $324.22
    $291.79
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  • 787Q2124070 Tz450CY Right Hand Tuff Torq Genuine OEM Part

    787Q2124070 Tz450CY Right Hand Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,381.52
    $1,243.36
    Precision and reliability in every turn. Engineered for seamless integration and long-lasting durability. Enhances the performance and safety of your lawn mower. Certified genuine OEM part from Tuff...
    $1,381.52
    $1,243.36
    Qty in Cart: 0
    Quantity:
    Price:
    $1,381.52
    $1,243.36
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  • 787Q2124030 Tz450BY Right Hand Tuff Torq Genuine OEM Part

    787Q2124030 Tz450BY Right Hand Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,365.73
    $1,229.15
    Power your mower with precision and reliability. Durable construction ensures long-lasting performance. Engineered for seamless compatibility with your equipment. 100% Genuine OEM part from Tuff...
    $1,365.73
    $1,229.15
    Qty in Cart: 0
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    Price:
    $1,365.73
    $1,229.15
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  • 787Q2124020 - Tz450B-X Left Hand - Tuff Torq Genuine OEM Part

    787Q2124020 Tz450BX Left Hand Tuff Torq Genuine OEM Part

    Tuff Torq

    $1,365.73
    $1,229.15
    Precision engineered for ultimate reliability and performance Durable construction designed to withstand heavy use Guaranteed OEM authenticity for seamless compatibility Restore your mower’s power...
    $1,365.73
    $1,229.15
    Qty in Cart: 0
    Quantity:
    Price:
    $1,365.73
    $1,229.15
    Subtotal:
  • Tuff Torq Differential Lock Slider 1A637037210 - Image 1

    1A637037210 Differential Lock Slider Tuff Torq Genuine OEM Part

    Tuff Torq

    $152.20
    $136.98
    Precision engineered for seamless integration and long-lasting performance Enhances differential lock function to maximize traction and control Manufactured as a genuine OEM component by Hydro-Gear...
    $152.20
    $136.98
    Qty in Cart: 0
    Quantity:
    Price:
    $152.20
    $136.98
    Subtotal:
  • Tuff Torq Differential Assembly 1E127031501 - Image 1

    1E127031501 Differential Assembly Tuff Torq Genuine OEM Part

    Tuff Torq

    $682.94
    $614.64
    Precision engineered for seamless integration and durability. Constructed to maintain optimal torque distribution for smooth operation. Manufactured by Tuff Torq as an authentic OEM component for...
    $682.94
    $614.64
    Qty in Cart: 0
    Quantity:
    Price:
    $682.94
    $614.64
    Subtotal:
  • HYDRO GEAR Kit Centersection Left Hand Charge HydroGear Genuine OEM Part 72548 - Image 1

    72548 Kit Centersection Left Hand Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $161.09
    $144.98
    HYDRO GEAR 72548 Kit Centersection Left Hand Charge is a durable, high-quality OEM part made from premium materials to ensure long-lasting performance. Features precise hydraulic charge...
    $161.09
    $144.98
    Qty in Cart: 0
    Quantity:
    Price:
    $161.09
    $144.98
    Subtotal:
  • 72757 Kit Zt3400 Transmission Left Hand HydroGear Genuine OEM Part

    72757 Kit Zt3400 Transmission Left Hand HydroGear Genuine OEM Part

    HYDRO GEAR

    $1,498.65
    $1,348.78
    HYDRO GEAR 72757 is a high-quality transmission kit made from durable materials ensuring OEM-grade performance. Features a left-hand transmission designed to deliver reliable power transfer for...
    $1,498.65
    $1,348.78
    Qty in Cart: 0
    Quantity:
    Price:
    $1,498.65
    $1,348.78
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  • Hydro Gear 72573 Center Section Kit OEM

    72573 Center Section Kit HydroGear Genuine OEM Part

    HYDRO GEAR

    $102.40
    $92.16
    Precision engineered to maintain your equipment's trusted performance Robust construction for lasting durability in demanding conditions Seamless compatibility ensured by original HYDRO GEAR OEM...
    $102.40
    $92.16
    Qty in Cart: 0
    Quantity:
    Price:
    $102.40
    $92.16
    Subtotal:
  • HYDRO GEAR Sw60 Single Pole Contactor 24D HydroGear Genuine OEM Part 53082 - Image 1

    53082 Sw60 Single Pole Contactor 24D HydroGear Genuine OEM Part

    HYDRO GEAR

    $206.55
    $185.89
    The HYDRO GEAR 53082 is a single pole contactor made from high-grade electrical components ensuring OEM quality and durability. This contactor reliably controls high-current flow in hydraulic...
    $206.55
    $185.89
    Qty in Cart: 0
    Quantity:
    Price:
    $206.55
    $185.89
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  • Hydro Gear 71917 - Kit Center Section - Original OEM part

    71917 Kit Center Section HydroGear Genuine OEM Part

    HYDRO GEAR

    $434.05
    $390.64
    The HYDRO GEAR 71917 Kit Center Section is a high-quality replacement part made from durable metal alloy with OEM certification. This kit center section plays a critical role in hydraulic drive...
    $434.05
    $390.64
    Qty in Cart: 0
    Quantity:
    Price:
    $434.05
    $390.64
    Subtotal:
  • 70455 Kit Center Section HydroGear Genuine OEM Part

    70455 Kit Center Section HydroGear Genuine OEM Part

    HYDRO GEAR

    $456.33
    $410.69
    HYDRO GEAR 70455 Kit Center Section is a precision-engineered OEM component made from high-quality metal alloys for lasting use. Features robust hydraulic compatibility to support efficient...
    $456.33
    $410.69
    Qty in Cart: 0
    Quantity:
    Price:
    $456.33
    $410.69
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  • HYDRO GEAR Kit Center Section Right Hand Charge HydroGear Genuine OEM Part 71838 - Image 1

    71838 Kit Center Section Right Hand Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $310.92
    $279.82
    HYDRO GEAR 71838 Kit Center Section Right Hand Charge made from durable, high-grade materials in OEM condition Precisely engineered to regulate hydraulic charge flow ensuring consistent power...
    $310.92
    $279.82
    Qty in Cart: 0
    Quantity:
    Price:
    $310.92
    $279.82
    Subtotal:
  • HYDRO GEAR Kit Bdu21L CSection HydroGear Genuine OEM Part 2510048 - Image 1

    2510048 Kit Bdu21L CSection HydroGear Genuine OEM Part

    HYDRO GEAR

    $355.62
    $320.05
    HYDRO GEAR 2510048 Kit Bdu21L CSection is a precision-engineered replacement part made from durable materials and guaranteed as a genuine OEM component. This kit features critical hydraulic drive...
    $355.62
    $320.05
    Qty in Cart: 0
    Quantity:
    Price:
    $355.62
    $320.05
    Subtotal:
  • Hydro Gear T2-BABC-2X1A-1MX1 - T2 Integrated Hydraulic Transmission - Original OEM part

    T2BABC2X1A1MX1 T2 Integrated Hydraulic Transmission HydroGear Genuine OEM Part

    HYDRO GEAR

    $450.19
    $405.17
    T2-BABC-2X1A-1MX1 is a sturdy hydraulic transmission made of high-grade metal, offered as a genuine OEM product. Features a precision-engineered integrated design for reliable torque transfer in...
    $450.19
    $405.17
    Qty in Cart: 0
    Quantity:
    Price:
    $450.19
    $405.17
    Subtotal:
  • Hydro Gear T2-ACBF-3X3B-17X1 T2 Transmission OEM

    T2ACBF3X3B17X1 T2 Transmission HydroGear Genuine OEM Part

    HYDRO GEAR

    $995.98
    $896.38
    HYDRO GEAR T2-ACBF-3X3B-17X1 transmission is a durable OEM replacement part made from high-grade materials Delivers precise power transfer, ensuring optimal functionality of the transmission...
    $995.98
    $896.38
    Qty in Cart: 0
    Quantity:
    Price:
    $995.98
    $896.38
    Subtotal:
  • Hydro Gear Kit Center Section Lh Charge 73313 - Image 1

    73313 Kit Center Section Lh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $148.25
    $133.42
    Precision engineering powering your ride’s core. Built for seamless integration with your Hydro-Gear drive system. Resilient design engineered to extend equipment life under demanding conditions...
    $148.25
    $133.42
    Qty in Cart: 0
    Quantity:
    Price:
    $148.25
    $133.42
    Subtotal:
  • Hydro Gear Kit Center Section Lh Charge 73311 - Image 1

    73311 Kit Center Section Lh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $168.93
    $152.03
    Engineered Excellence for Enduring Performance Precision-machined components designed for seamless integration and optimal fluid control Robust construction that withstands rigorous operating...
    $168.93
    $152.03
    Qty in Cart: 0
    Quantity:
    Price:
    $168.93
    $152.03
    Subtotal:
  • Hydro Gear Kit Center Section Rh Charge 73310 - Image 1

    73310 Kit Center Section Rh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $167.83
    $151.04
    Engineered for seamless power delivery—Experience the difference in hydraulic performance with Hydro-Gear precision. Durability that withstands the toughest conditions—Built to extend the life of...
    $167.83
    $151.04
    Qty in Cart: 0
    Quantity:
    Price:
    $167.83
    $151.04
    Subtotal:
  • Hydro Gear Kit Center Section Lh Charge 73309 - Image 1

    73309 Kit Center Section Lh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $181.53
    $163.37
    Precision engineered for seamless lawn mower performance. Ensures optimum drive system efficiency and durability. Essential for maintaining smooth and reliable hydrostatic transmission function...
    $181.53
    $163.37
    Qty in Cart: 0
    Quantity:
    Price:
    $181.53
    $163.37
    Subtotal:
  • Hydro Gear Kit Center Section Rh Charge 73308 - Image 1

    73308 Kit Center Section Rh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $180.39
    $162.35
    Precision-engineered for unmatched durability Optimizes charge pump performance for smooth, reliable operation Essential component to maintain hydrostatic transmission integrity Authentic Hydro-Gear...
    $180.39
    $162.35
    Qty in Cart: 0
    Quantity:
    Price:
    $180.39
    $162.35
    Subtotal:
  • Hydro Gear Kit Center Section Lh Charge 73307 - Image 1

    73307 Kit Center Section Lh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $169.22
    $152.29
    Engineered for seamless integration and reliable operation in demanding outdoor power equipment Ensures optimal hydraulic efficiency for extended equipment lifespan Precision manufactured to...
    $169.22
    $152.29
    Qty in Cart: 0
    Quantity:
    Price:
    $169.22
    $152.29
    Subtotal:
  • Hydro Gear Kit Center Section Rh Charge 73306 - Image 1

    73306 Kit Center Section Rh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $169.87
    $152.88
    Depend on precision engineering for seamless integration Maintains optimal equipment performance and reliability Manufactured as a genuine OEM HYDRO GEAR part to ensure exact fit Designed to uphold...
    $169.87
    $152.88
    Qty in Cart: 0
    Quantity:
    Price:
    $169.87
    $152.88
    Subtotal:
  • Hydro Gear Kit Center Section Lh Charge 73305 - Image 1

    73305 Kit Center Section Lh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $164.59
    $148.13
    Engineered precision for ultimate drive system integrity Robust LH charge center section ensures seamless hydraulic flow Designed exclusively as a genuine Hydro-Gear OEM part for exact fit and...
    $164.59
    $148.13
    Qty in Cart: 0
    Quantity:
    Price:
    $164.59
    $148.13
    Subtotal:
  • Hydro Gear Kit Center Section Rh Charge 73304 - Image 1

    73304 Kit Center Section Rh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $163.45
    $147.10
    Engineered for excellence, crafted for endurance—Hydro-Gear powers performance. Precision-engineered center section ensures flawless drive system efficiency. Robust components provide enhanced...
    $163.45
    $147.10
    Qty in Cart: 0
    Quantity:
    Price:
    $163.45
    $147.10
    Subtotal:
  • Hydro Gear Kit Center Sedtion Lh Charge 73299 - Image 1

    73299 Kit Center Sedtion Lh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $179.65
    $161.68
    Precision in every component to power your equipment forward Engineered for seamless integration ensuring optimal drive system performance Durable materials designed to withstand rigorous outdoor...
    $179.65
    $161.68
    Qty in Cart: 0
    Quantity:
    Price:
    $179.65
    $161.68
    Subtotal:
  • Hydro Gear Kit Center Section Lh Charge 73298 - Image 1

    73298 Kit Center Section Lh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $169.07
    $152.16
    Engineered for precision and durability in your outdoor power equipment Designed to restore optimal charge function within your equipment's drive system Constructed as a genuine OEM HYDRO GEAR part...
    $169.07
    $152.16
    Qty in Cart: 0
    Quantity:
    Price:
    $169.07
    $152.16
    Subtotal:
  • Hydro Gear Kit Center Section Rh Charge 73297 - Image 1

    73297 Kit Center Section Rh Charge HydroGear Genuine OEM Part

    HYDRO GEAR

    $181.20
    $163.08
    Precision engineering for lasting drive system integrity Built to exact Hydro-Gear OEM specifications for seamless compatibility Essential component to maintain smooth charge flow and equipment...
    $181.20
    $163.08
    Qty in Cart: 0
    Quantity:
    Price:
    $181.20
    $163.08
    Subtotal:
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