John Deere 650G Dozer – Hydrostatic Mid-Size Crawler

Description:

The John Deere 650G Dozer, produced from the early 1990s through the early 2000s, is a mid-size crawler designed for grading, slope work, and clearing. With its 80 HP turbocharged diesel engine, hydrostatic drive, and 6-way PAT blade, the 650G offers dependable performance in a versatile, transportable package ideal for general contractors and grading professionals.

Key Specifications:

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

• Horsepower:
  ~80 HP (net)

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

• Hydraulics:
  Open-center system, ~17 GPM

• Operating Weight:
  ~18,000 – 19,500 lbs (standard vs. LGP)

• Blade Type:
  6-Way PAT (Power-Angle-Tilt) standard

• Blade Capacity:
  ~1.5–2.0 cubic yards

• Undercarriage:
  SALT (Sealed and Lubricated Track), standard or LGP

Serial Number Info:

• Production Years: ~1993–2001

• Serial Number Location:
  Left side of the machine frame, near the operator platform or under the cab step. Confirm before ordering parts.

Key Features:

• ✅ Turbocharged Diesel Power:
  The 4045T delivers strong torque for moderate push and slope work.

• ✅ Hydrostatic Drive:
  Smooth, low-maintenance twin-path system offers responsive maneuvering and speed control.

• ✅ Versatile PAT Blade:
  Ideal for fine grading, backfilling, and ditch shaping.

• ✅ Proven Durability:
  Long-lasting drivetrain and hydraulic components built for daily work.

• ✅ Compact & Haulable:
  Sized to transport easily while still powerful enough for mid-sized jobs.

Common Replacement Parts:

Available at Broken Tractor

• Engine: Turbo, fuel injectors, gaskets, rebuild kits

• HST Components: Hydrostatic pumps, motors, relief valves

• Hydraulics: Blade cylinders, hoses, joystick control valves, seal kits

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

• Blade Components: Pins, bushings, tilt cylinders, cutting edges

Maintenance Schedule:

• Engine Oil & Filter: Every 250 hours

• Fuel Filters: Every 250 hours

• Hydraulic & HST Fluid: Every 500 hours

• Coolant Flush: Every 1,000 hours

• Track and Blade Greasing: Weekly

• Inspect Undercarriage Wear: Monthly

Common Issues & Fixes:

• Blade Drift or Weak Lift:
  Caused by leaking seals or valve wear — fix with hydraulic cylinder seal kits

• HST Hesitation or Power Loss:
  Common on high-hour units — replace worn hydrostatic components

• Track Slap or Loose Fit:
  Worn chains or idlers — rebuild with undercarriage parts

• Turbo Failure or Smoke:
  Replace aging turbocharger and inspect air filters