John Deere 750B Dozer – Heavy-Duty Powershift Crawler Tractor

Description:

The John Deere 750B Dozer, produced in the late 1980s through the early 1990s, is a full-sized crawler designed for serious earthmoving, land clearing, and slope grading. It builds on the original 750 with a more powerful 6.8L turbo diesel engine, improved 3-speed powershift transmission, and upgraded operator controls, all while maintaining a rugged, mechanical foundation.

Key Specifications:

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

• Horsepower:
  ~155 HP (net)

• Transmission:
  Powershift, 3 forward / 3 reverse

• Operating Weight:
  ~38,000 – 41,000 lbs

• Blade Type:
  Semi-U or 6-Way PAT blade (optional)

• Blade Capacity:
  ~4.5 – 5.5 cubic yards

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

Serial Number Info:

• Production Years: ~1986–1991

• Serial Number Location:
  Left side of mainframe near operator station or on rear frame rail. Always verify your serial before ordering parts.

Key Features:

• ✅ 6068T Turbo Diesel Power:
  Reliable engine with improved fuel delivery and torque for tough pushing.

• ✅ Durable Powershift Transmission:
  Designed for heavy-duty use with straightforward shifting and minimal electronics.

• ✅ Available LGP Configuration:
  Wide-track option enhances stability on soft or wet terrain.

• ✅ Reinforced Blade Mount & Frame:
  Designed to handle high stress loads during land clearing and heavy push operations.

• ✅ Operator Upgrades Over 750:
  Enhanced visibility, control layout, and ROPS platform for comfort and safety.

Common Replacement Parts:

Available at Broken Tractor

• Engine Components: Injectors, turbochargers, gaskets, water pumps

• Transmission: Torque converters, clutch discs, gear packs, transmission rebuild kits

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

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

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

• Cab/Electrical: Seat kits, switches, gauges

Maintenance Schedule:

• Engine Oil & Filter: Every 250 hours

• Fuel Filters: Every 250 hours

• Transmission Fluid & Filter: Every 500 hours

• Hydraulic System Flush: Every 1,000 hours

• Track & Blade Greasing: Weekly

• Undercarriage & Frame Inspection: Monthly

Common Issues & Fixes:

• Transmission Slippage or Lag:
  Caused by worn clutch packs or converter — service with transmission kits

• Hydraulic Cylinder Leaks:
  Rebuild with hydraulic seal kits and rods

• Track Wear or Slack:
  Install undercarriage rebuild kits including chains, sprockets, and rollers

• Engine Power Loss or Smoke:
  Inspect and replace turbo or injectors — engine kits available