John Deere 310D Backhoe Loader – Parts, Specs & Serial Numbers

The John Deere 310D Backhoe Loader, produced from 1991 to 1997, brought modern improvements to the classic 310 line, including a turbocharged engine, high-capacity hydraulics, and a refined power shuttle transmission. Built for performance and reliability, the 310D is a preferred choice for heavy-duty trenching, loading, and material handling. Its straightforward serviceability and wide availability of aftermarket parts make it a long-term favorite in both fleet and owner-operator applications.

Specifications:

Engine

• Model: John Deere 4045T

• Type: 4-cylinder, turbocharged diesel

• Displacement: 276 cu in (4.5 L)

• Net Power: 70 hp (52.2 kW) @ 2,200 rpm

Transmission

• Type: Power Shuttle

• Gears: 4 forward / 4 reverse

• Clutch: Hydraulic, wet-disc

• Max Travel Speed: 20.9 mph (33.6 km/h)

Hydraulic System

• System Type: Open center

• Pump Flow: 28.5 GPM (108 L/min)

• System Pressure: 2,500 psi (172 bar)

Backhoe Specs

• Max Digging Depth: 14 ft 3 in (4.34 m)

• Loading Height: 11 ft 2 in (3.4 m)

• Bucket Digging Force: 11,342 lbf (50.4 kN)

• Swing Arc: 180°

Loader Specs

• Lift Capacity to Full Height: ~5,000 lbs (2,268 kg)

• Breakout Force: ~7,700 lbf (34.2 kN)

• Bucket Widths: 72–84 in (1.83–2.13 m)

Dimensions & Weight

• Operating Weight: ~13,600 lbs (6,169 kg)

• Wheelbase: 82 in (2.08 m)

• Overall Length: 23 ft 2 in (7.06 m)

• Height to Top of ROPS: 8 ft 10 in (2.7 m)

Maintenance Essentials:

• Oil & Filters: Replace every 100–150 hours

• Hydraulic Filters & Fluid: Every 500 hours

• Greasing Schedule: Every 8–10 hours at all pivot points

Common Replacement Parts Include:

• Loader pins and bushings

• Hydraulic cylinder seal kits

• Wet disc brake rebuild kits

• Cooling system components

Common Issues & Quick Fixes:

• Transmission Hesitation or Slippage: Caused by worn clutch packs — repair using power shuttle parts and kits

• Hydraulic Leaks: Typical in lift and boom cylinders — replace with cylinder seal kits

• Brake Drag or Failure: Replace worn components with 310D brake parts

Pro Tips:

• Always check for hydraulic seepage at quick couplers — a small leak can reduce digging power.

• Regularly inspect loader tower bolts for tightness to prevent frame flex.

• Drain water from fuel/water separators weekly to maintain engine performance.

Serial Number Info:

• Location: On the left side of the frame, below the loader arm or operator platform

• Format: Begins with T0310DG_ _ _ _ _

• Confirm the full serial number before ordering year-specific parts or components.