John Deere 455D Crawler Loader – Hydrostatic Track Loader

Description:

The John Deere 455D Crawler Loader, produced in the late 1980s through early 1990s, is a hydrostatically driven, mid-size track loader built for rugged job sites. Powered by a 4-cylinder turbocharged diesel engine, it features a hydrostatic transmission, 1.25–1.5 yard bucket, and sealed undercarriage—ideal for loading, trenching, and material handling in rough terrain.

Key Specifications:

• Engine:
  John Deere 4039T, 4-cylinder, turbocharged diesel

• Horsepower:
  Approx. 80 HP (net)

• Transmission:
  Hydrostatic (HST), twin-path drive

• Hydraulics:
  Open center, approx. 17 GPM

• Operating Weight:
  ~18,000 – 19,000 lbs

• Bucket Capacity:
  1.25 – 1.5 cubic yards

• Undercarriage:
  Sealed and lubricated (SALT), 5 bottom rollers per side

• Steering:
  Single lever or dual-pedal HST control (varies by unit)

Serial Number Information:

• Production Start: Late 1980s

• Serial Number Location:
  On the left side of the main frame, behind the front track or near the operator’s station. Always confirm the model and serial number before ordering parts.

Key Features:

• ✅ Turbocharged Diesel Power:
  The JD 4039T delivers strong low-end torque for heavy bucket work.

• ✅ Hydrostatic Drive:
  Twin-path system offers smooth, infinite speed control and low-effort steering.

• ✅ Heavy-Duty Loader Arms:
  Designed to withstand repeated bucket loads in rocky or abrasive soil.

• ✅ Operator Comfort:
  Open or enclosed ROPS with simplified controls and excellent forward visibility.

• ✅ Built to Last:
  Rugged SALT undercarriage, robust pins, and protected hydraulics for long field life.

Common Replacement Parts:

Find them all at Broken Tractor

• Engine: Turbo, pistons, water pump, injectors, gasket kits

• Hydrostatic System: HST pumps, drive motors, control valves

• Hydraulics: Loader lift cylinders, tilt cylinders, seal kits, hoses

• Undercarriage: Track chains, rollers, sprockets, recoil springs

• Loader Frame: Bucket pins, bushings, cutting edges, lift arms

• Cooling System: Radiators, belts, thermostats

Maintenance Schedule:

• Engine Oil & Filter: Every 250 hours

• Fuel Filters: Every 250 hours

• HST & Hydraulic Fluid: Every 500 hours

• Cooling System Flush: Every 1,000 hours

• Grease Loader Pins & Track Fittings: Weekly

• Check Undercarriage Wear: Monthly

Common Issues & Solutions:

• Loader Lift Slow or Jerky:
  Worn seals or weak hydraulic pump — fix with hydraulic cylinder seal kits.

• HST Slippage or No Movement:
  May indicate HST pump wear or internal pressure loss — check and replace HST components.

• Track Slap or Undercarriage Noise:
  Worn sprockets, chains, or tensioners — rebuild with undercarriage kits.

• Turbo Whistle or Power Drop:
  Replace a worn or leaking turbocharger — available in our engine parts section.