John Deere 455G Crawler Loader – Heavy-Duty Hydrostatic Track Loader

Description:

The John Deere 455G Crawler Loader, produced in the early to mid-1990s, is a powerful, hydrostatic-driven track loader designed for high-production digging, loading, and backfilling. With an 80 HP turbocharged diesel engine, sealed undercarriage, and a 1.5-yard bucket, the 455G delivers rugged performance in construction, forestry, and utility work.

Key Specifications:

• Engine:
  John Deere 4045T, 4-cylinder turbocharged diesel

• Horsepower:
  ~80 HP (net)

• Transmission:
  Hydrostatic (HST), dual-path with infinite speed control

• Hydraulics:
  Open center, ~17 GPM

• Operating Weight:
  ~19,000 lbs

• Bucket Capacity:
  1.5 cubic yards

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

Serial Number Information:

• Production Start: Early 1990s

• Location:
  Serial number plate is located on the left side of the machine frame, near the front track. Always confirm model and serial number before ordering parts.

Key Features:

• ✅ Turbocharged Power:
  The 4045T engine delivers strong torque for heavy digging and bucket work.

• ✅ Hydrostatic Drive:
  Twin-path HST allows precise speed and steering control under load.

• ✅ Heavy-Duty Loader Frame:
  Built for repeated loading cycles in harsh job site conditions.

• ✅ Comfortable Operation:
  Optional enclosed cab with simplified control levers and excellent forward visibility.

• ✅ Service-Friendly Design:
  Swing-out panels and modular HST/hydraulic components reduce downtime.

Common Replacement Parts:

Available from Broken Tractor

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

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

• Hydraulics: Loader cylinders, seal kits, joystick valves, hoses

• Undercarriage: Chains, sprockets, rollers, adjusters, track shoes

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

• Cooling System: Radiators, thermostats, fan belts

Maintenance Schedule:

• Engine Oil & Filter: Every 250 hours

• Fuel Filters: Every 250 hours

• HST & Hydraulic Fluid: Every 500 hours

• Coolant Flush: Every 1,000 hours

• Track & Loader Grease Points: Weekly

• Inspect Undercarriage & Hoses: Monthly

Common Issues & Solutions:

• Loader Won’t Lift or Drifts Down:
  Likely worn seals — repair with hydraulic cylinder seal kits

• HST Jerky or No Response:
  Common in high-hour machines — inspect HST pumps and motors, replace as needed

• Engine Low Power or Excess Smoke:
  Check for turbo failure or injector wear — both available in engine rebuild kits

• Track Noise or Vibration:
  Indicates worn chains or rollers — rebuild with undercarriage kits