John Deere 653G Feller Buncher – Specs, Parts & Maintenance Guide

Description:

The John Deere 653G Feller Buncher is a high-performance tracked forestry machine built for efficient felling, bunching, and high-production timber harvesting. Known for its superior stability, strong boom reach, and reliable hydraulic power, the 653G is a staple on logging sites where terrain is challenging and uptime is critical. Its powerful engine, excellent visibility, and straightforward service access make it a trusted choice for both selective cutting and clear-cut operations.

Key Specifications:

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

• Horsepower: 170 HP gross

• Transmission: Hydrostatic, dual-path system

• Undercarriage Type: Heavy-duty forestry tracks with full-length guarding

• Operating Weight: Approx. 45,000 lbs (varies with attachment)

• Boom Reach: Up to 27 feet (with felling head)

• Fuel Capacity: 108 gallons

• Hydraulic Reservoir: 57 gallons

Hydraulic System:

• System Type: Closed-center, load-sensing

• Pump Flow: 125 GPM combined

• System Pressure: Up to 5,000 PSI (depending on head)

• Functionality: Boom, sawhead, travel, swing, and leveling functions

Performance Features:

• Strong felling head compatibility for single-pass cutting

• Dual swing motors for smooth, balanced operation

• Spacious, climate-controlled cab with ergonomic seat and clear visibility

• Full forestry guarding for engine, undercarriage, and boom lines

Maintenance Essentials & Common Replacement Parts:

• Commonly replaced components: boom cylinder seal kits, swing motor seals, travel motor cartridges, and hydraulic hose assemblies

• Engine and hydraulic filter kits should be replaced every 250 hours

• Undercarriage rollers and sprockets wear quickly in rocky terrain

• Electrical faults often relate to joystick control harnesses or sensor wiring in the cab

Common Issues and Fixes:

• Swing delay or jerky movement: Usually due to worn rotary manifold seals or low hydraulic pressure

• Engine overheating: Common in dusty conditions — clean radiator screens and replace air filters

• Boom drift or loss of lift: Caused by leaking cylinder seals or low-pressure relief valve

• Travel loss on one track: Typically a damaged travel motor cartridge or clogged case drain filter

Pro Tip:

The John Deere 653G serial number is typically located on the frame behind the cab near the swing motor and also on the engine block. Verifying the serial number is essential for accurate parts ordering.