John Deere 555G Crawler Loader – Turbocharged Hydrostatic Track Loader

Description:

The John Deere 555G Crawler Loader, produced throughout the 1990s, is a rugged, hydrostatic-driven track loader designed for heavy-duty digging, loading, and site prep. Powered by an 80 HP turbocharged diesel engine, it features a sealed undercarriage, 1.5-yard bucket, and smooth twin-path hydrostatic transmission for optimal control in tight or uneven terrain.

Key Specifications:

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

• Horsepower:
  ~80 HP (net)

• Transmission:
  Dual-path Hydrostatic (HST)

• Hydraulics:
  Open center, ~17 GPM

• Operating Weight:
  ~19,500 lbs

• Bucket Capacity:
  1.5 cubic yards

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

• Steering:
  Joystick or pedal-controlled hydrostatic steering

Serial Number Info:

• Production Start: ~1993

• Serial Number Location:
  Left side of the mainframe or near the rear of the loader arm pivot. Always verify serial number before ordering parts.

Key Features:

• ✅ Turbocharged 4045T Diesel Engine:
  Delivers solid torque for lifting and breakout force in tough digging.

• ✅ Hydrostatic Drive System:
  Infinite speed control with easy steering and quick directional changes.

• ✅ Heavy-Duty Loader Frame:
  Designed to handle repeated full-bucket loads and rough applications.

• ✅ Spacious Operator Station:
  ROPS canopy or optional enclosed cab with ergonomic controls.

• ✅ Sealed Undercarriage:
  Reduces maintenance and resists debris intrusion on harsh terrain.

Common Replacement Parts:

Available at Broken Tractor

• Engine: Turbochargers, injectors, pistons, gasket sets

• Hydrostatic System: Pumps, motors, relief valves, HST control units

• Hydraulics: Lift cylinders, tilt cylinders, hoses, control valves

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

• Loader Frame: Bucket pins, bushings, cutting edges

• Cooling & Electrical: Radiators, thermostats, starter motors, wiring

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 Rollers: Weekly

• Inspect Track Tension & Bucket Linkage: Monthly

Common Issues & Fixes:

• Loader Hesitation or Lag:
  Caused by worn HST pumps or motors — inspect and replace with HST parts

• Weak Bucket Lift or Tilt:
  Usually from worn seals or cylinder wear — fix with hydraulic seal kits

• Track Slack or Uneven Wear:
  Replace worn rollers, adjusters, or chains with undercarriage components

• Loss of Engine Power:
  Faulty turbocharger or clogged injectors — rebuild kits available