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Dressta TD25H Parts | Final Drive, Transmission & Components | FP Smith Parts & Equipment

Dressta TD25H Parts | Final Drive, Transmission & Components | FP Smith Parts & Equipment

Leading the Parts Industry since 1947. FP Smith Parts & Equipment stocks a wide range of Dressta TD25H parts for this large crawler dozer. We maintain real physical inventory of new OEM surplus, quality used, and reconditioned components at our 20-acre facility in Fairfield, California. We are not brokers — most parts are on the shelf and ready to ship.

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Dressta TD25H Parts Inventory

The Dressta TD25H is a large production crawler dozer designed for heavy construction, quarry, and industrial applications. We support owners and fleets with both common wear items and hard-to-find components.

Parts Categories We Stock for the TD25H

  • Undercarriage — Track chains, track shoes, rollers (track & carrier), idlers, sprockets, links, pins & bushings, track adjusters
  • Transmission & Torque Converter — Transmission assemblies, torque converters, clutch packs, seals, pumps, valves, and related piping/components
  • Final Drives — Planetary final drives, bearings, seals, and related components
  • Hydraulics — Pumps, valves, cylinders, seal kits, hoses and fittings
  • Engine & Cooling — Rebuild kits, bearings, gaskets, radiators, oil coolers, and related components
  • Steering, Brakes & Electrical — Steering components, brake parts, starters, alternators, and sensors

Transmission & Torque Converter Parts

We also stock and source Dressta TD25H transmission and torque converter related components, including piping, lines, fittings, seals, and supporting hardware commonly needed during powertrain service or rebuilds.

Why Choose FP Smith for Dressta TD25H Parts?

  • Physical Stocking — Millions of parts on hand in Fairfield, CA — ready for same-day shipping on most orders placed before 3 PM PST
  • Legacy Expertise — Decades of experience with Dressta, Dresser, International Harvester, and related equipment
  • Hard-to-Find Components — Strong inventory of surplus and used parts that are no longer readily available through traditional dealer channels
  • Cost Savings — Quality used, reconditioned, and OEM surplus options at competitive prices versus new OEM list
  • Technical Support — Knowledgeable team that understands interchanges, applications, and model-specific requirements
  • Rebuild Capability — In-house and partner support for transmissions, torque converters, final drives, and major components

In addition to the TD25H, FP Smith carries parts for many Dressta and Dresser crawler dozers including the TD15, TD20, TD25G, TD40 series, and related machines.

Dressta TD25H Technical Specifications

Key specifications for the Dressta TD25H crawler dozer (based on available factory and published data). Actual figures can vary by configuration, serial number, blade, ripper, and options.

Engine

  • Make / Model — Cummins N14-C
  • Type — 6-cylinder diesel, turbocharged, direct injection
  • Net power — approximately 238 kW (320 hp class)
  • Displacement — 14 L

Weights

  • Operating weight — approximately 35.5 tons (with blade; higher with ripper configurations)

Powertrain

  • Transmission — 3-speed powershift with torque converter
  • Steering — Two-speed steering providing six speeds forward and reverse
  • Final drives — Planetary type

Undercarriage & Blade

  • Track width — commonly 559 mm
  • Blade options — Semi-U, U, and other configurations

Note: Always verify exact specifications against the machine’s serial number plate and the official Dressta / Dresser service literature for critical applications.

Cummins N14 Engine Maintenance

The Dressta TD25H is commonly powered by the Cummins N14-C. Proper maintenance is critical for longevity in heavy dozer applications. Follow the specific Operation & Maintenance Manual for your engine serial number. Oil analysis can help optimize intervals.

Typical Service Guidelines

  • Engine oil & filters — Commonly every 250 hours or as specified (confirm with oil analysis for possible extension).
  • Fuel filters — Replace at the recommended interval or as indicated by restriction.
  • Air filters — Inspect frequently and replace based on restriction or operating conditions.
  • Coolant — Maintain proper level and condition; follow recommended change intervals for the coolant type in use.
  • Valve adjustment — Perform at the interval specified in the engine manual.

Daily checks should include oil level, coolant level, fuel system, air intake, and visual inspection for leaks or damage.

Undercarriage Wear Management – TD25H

Proper management of track tension, cleaning, and component wear is one of the biggest factors in controlling owning costs on the Dressta TD25H.

Best Practices

  • Track tension — Incorrect (especially over-tight) tension accelerates wear on rollers, idlers, sprockets, links, and final drives. Adjust to the sag specification in the operator’s manual.
  • Cleaning — Regularly clean packed material from the undercarriage to reduce loads and wear.
  • Inspection — Routinely check rollers, idlers, sprocket segments, track links, pins & bushings, and shoe hardware. Measure wear so components can be turned, rebuilt, or replaced at the right time.
  • Matching components — Replace or rebuild related groups together when practical (e.g., chains with sprockets) to avoid accelerated wear of new parts against worn surfaces.
  • Operating habits — Minimize high-speed reverse travel, sharp turns under load, and unnecessary spinning.

FP Smith stocks a wide range of undercarriage and powertrain components for the TD25H. We can also help with hard-to-find items and advise on interchange or rebuild options.