John Deere 6675 Skid Steer Loader – Specs, Parts & Maintenance Guide

The John Deere 6675 Skid Steer Loader is a mid-sized, radial-lift skid steer known for its strong build and straightforward mechanical design. It delivers dependable power and ease of service, making it a top choice for agricultural operations, light construction, and landscaping tasks. With a sturdy chain-drive system and responsive hydraulic flow, the 6675 offers reliable lifting and digging capabilities at a reasonable operating cost.

Specifications Overview:

• Engine:

  • Make/Model: Yanmar 4TN78

  • Type: Naturally aspirated, 4-cylinder diesel

  • Displacement: 2.2L (133.6 cu in)

  • Gross Horsepower: 50 hp

  • Rated Horsepower: 47 hp

• Transmission:

  • Hydrostatic chain drive

  • Single-speed forward and reverse

  • Manual lever controls

• Hydraulics:

  • Standard Flow: 15.3 gpm

  • System Pressure: 2,500 psi

  • Pump Type: Gear-type

• Dimensions & Weight:

  • Operating Weight: 5,850 lbs

  • Rated Operating Capacity: 1,750 lbs

  • Tipping Load: 3,500 lbs

  • Lift Height to Hinge Pin: 115 in

  • Width Over Tires: 66 in

  • Overall Height: 78 in

Maintenance & Replacement Parts:

Routine maintenance and access to dependable parts keep the JD 6675 running strong for years.

• Frequently Replaced Items:

  • Hydraulic cylinder seal kits

  • Loader pins and bushings

  • Drive chain, sprockets, and axle seals

  • Air, oil, and fuel filters

• Common Issues & Quick Fixes:

  • Drive Chain Wear or Slap Noise: Inspect and replace chains or adjust tension; chain kits available.

  • Hydraulic Leaks: Typically due to worn seals – use quality cylinder seal kits.

  • Engine Starting Issues: Check glow plugs, fuel lines, and sediment bowl for clogging.

Pro Tips:

• Serial number is stamped on the loader tower or inside the operator compartment near the seat base.

• Check and change chain case oil regularly—neglected chain cases are a common source of drivetrain issues.

• Grease pivot points frequently to extend the life of pins and bushings.