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

Description:

The John Deere 310 Backhoe Loader launched one of the most enduring and versatile backhoe series in construction history. Designed for general digging, trenching, and loader work, the original 310 model (introduced in the early 1970s) delivered simple mechanics, strong hydraulic performance, and easy service access, making it a favorite among contractors and municipalities. While multiple 310 variants followed (like 310A, 310B, etc.), this guide focuses on the original John Deere 310 backhoe loader.

Specifications:

Engine

• Model: John Deere 300 Series Diesel

• Type: 3-cylinder, naturally aspirated diesel

• Displacement: 164 cu in (2.68 L)

• Net Power: 52 hp (38.8 kW) @ 2,500 rpm

Transmission

• Type: Collar shift, mechanical

• Gears: 8 forward / 4 reverse

• Clutch: Dry, foot-operated

• Max Speed: Approx. 21 mph (34 km/h)

Hydraulic System

• System Type: Open center

• Pump Flow: 24 GPM (90.8 L/min)

• System Pressure: 2,250 psi (155 bar)

Backhoe Specs

• Max Digging Depth: 13 ft 10 in (4.22 m)

• Loading Height: 10 ft 8 in (3.25 m)

• Bucket Digging Force: 9,200 lbf (40.9 kN)

• Swing Arc: 180°

Loader Specs

• Lift Capacity at Full Height: ~3,800 lbs (1,724 kg)

• Breakout Force: ~6,000 lbf (26.7 kN)

• Bucket Widths: 66–84 in (1.68–2.13 m)

Dimensions & Weight

• Operating Weight: ~13,000 lbs (5,900 kg)

• Overall Length: 22 ft 8 in (6.9 m)

• Wheelbase: 81 in (2.06 m)

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

Maintenance Essentials:

• Routine Service:

  • Engine oil/filter: every 100–150 hours

  • Hydraulic oil/filter: every 500 hours

  • Check all fluid levels daily

• Frequently Replaced Parts:

  • Hydraulic cylinder seal kits

  • Loader pins and bushings

  • Brake linkage kits and master cylinders

  • Cooling system parts like thermostats and water pumps

Common Issues & Quick Fixes:

• Brake System Failure: Common with mechanical drum brakes — fix with complete brake rebuild kits

• Loader Arm Drift: Caused by worn spool valve or piston seals — replace using loader cylinder seal kits

• Hard Shifting: Clutch wear or misalignment — inspect and replace with OEM clutch kits

Pro Tips:

• Grease all loader and backhoe pivot points every 8–10 hours of operation.

• Use an infrared temp gun to monitor engine cooling performance in summer conditions.

• When loader bounce occurs during transport, check hydraulic accumulators or recheck pressure relief valves.

Serial Number Info:

• Serial number plate located on the left side of the machine frame near the loader tower, or sometimes behind the loader arm cross member.

• Format begins with T0310_ _ _ _ _

• Always verify your serial number when ordering model-specific parts.