John Deere 750 Dozer – Early Full-Sized Crawler Tractor

Description:

The John Deere 750 Dozer, introduced in the late 1970s through the early 1980s, is a heavy-duty, mechanically driven crawler built for land clearing, road construction, and mass grading. With a 6-cylinder turbo diesel engine, Powershift transmission, and solid drawbar pull, the 750 delivers brute strength and long-lasting performance in rugged field conditions.

Key Specifications:

• Engine:
  John Deere 6068T, 6-cylinder turbocharged diesel

• Horsepower:
  ~140–150 HP (gross)

• Transmission:
  Powershift, 3-speed forward/3-speed reverse

• Operating Weight:
  ~37,000 – 40,000 lbs

• Blade Type:
  Straight or Semi-U (optional PAT)

• Blade Capacity:
  ~4.5 – 5.0 cubic yards

• Undercarriage:
  Standard crawler frame with sealed track links

Serial Number Info:

• Production Years: ~1978–1983

• Serial Number Location:
  On the left side of the mainframe near the operator platform. Always verify serial before ordering parts.

Key Features:

• ✅ Powerful 6068T Engine:
  Delivers solid torque and drawbar pull for pushing through dense materials.

• ✅ Simple, Durable Powershift Transmission:
  Easy to maintain and operate with minimal electronics.

• ✅ Built for Bulk Earthmoving:
  High blade capacity and frame strength allow for heavy grading and clearing.

• ✅ Operator-Centered Layout:
  Basic but functional operator station with wide visibility and mechanical controls.

• ✅ Reliable Mechanical Simplicity:
  Ideal for remote jobsites and owner-operators who prefer serviceable, non-electronic machines.

Common Replacement Parts:

Available at Broken Tractor

• Engine Components: Pistons, injectors, water pumps, gaskets, filters

• Transmission & Clutch: Torque converters, clutch packs, transmission rebuild kits

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

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

• Blade Components: Cutting edges, pins, bushings, push arms

Maintenance Schedule:

• Engine Oil & Filter: Every 250 hours

• Transmission Fluid: Every 500 hours

• Hydraulic Oil & Filters: Every 500 hours

• Coolant Flush: Annually or every 1,000 hours

• Grease Points & Blade Pins: Weekly

• Track Tension and Frame Inspection: Monthly

Common Issues & Fixes:

• Torque Converter Slippage:
  Often requires rebuild or replacement – transmission kits available

• Hydraulic Leaks or Drift:
  Rebuild blade cylinders using seal kits and rods

• Track Wear or Slack:
  Refresh with undercarriage kits including chains, rollers, and sprockets

• Engine Performance Drops:
  Rebuild injector pump or replace turbo — full engine kits available