John Deere 4475 Skid Steer Loader – Specs, Parts & Common Repairs

Description:

The John Deere 4475 Skid Steer Loader is a compact, no-frills workhorse built for light construction, landscaping, and farm tasks. Despite its smaller frame, the 4475 delivers reliable performance and low-cost maintenance, making it a long-time favorite for operators seeking durability and simplicity without compromising lifting power. Its mechanical design means fewer electronics, easier diagnostics, and lower service costs.

Specifications Overview:

• Engine:

  • Make/Model: Yanmar 3TNE84

  • Type: Naturally aspirated 3-cylinder diesel

  • Displacement: 1.496L (91.3 cu in)

  • Gross Horsepower: 33 hp

  • Rated Horsepower: 31.5 hp

• Transmission:

  • Hydrostatic drive

  • Single-speed

  • Hand and foot lever controls

• Hydraulics:

  • Standard Flow: 10.5 gpm

  • System Pressure: 2,500 psi

  • Pump Type: Gear pump

• Dimensions & Weight:

  • Operating Weight: ~4,300 lbs

  • Rated Operating Capacity: 1,150 lbs

  • Tipping Load: 2,300 lbs

  • Height to Hinge Pin: 108 in

  • Width Over Tires: 55 in

  • Overall Height: 74 in

Maintenance & Replacement Parts:

Thanks to its mechanical simplicity, the JD 4475 is easy to maintain with affordable replacement parts.

• Common Replacement Items:

  • Lift and tilt cylinder seal kits

  • Loader arm pins and bushings

  • Final drive components and seals

  • Air, oil, and fuel filters

• Common Issues & Fixes:

  • Hydraulic Leaks: Worn seals in lift or tilt cylinders – replace with hydraulic seal kits.

  • Drive Slippage or Weak Travel: Often caused by worn hydrostatic pump seals or low fluid levels.

  • Engine Hard Starts: Usually due to glow plug or fuel delivery issues – check filters and injector lines.

Pro Tips:

• Serial number is typically located on the right side of the frame near the operator area or stamped on the rear tower.

• Keep an eye on the chain case oil and grease the axle bearings to avoid premature drivetrain wear.

• Always clean radiator fins and air intakes to prevent overheating in dusty conditions.