Cat 555D Log Skidder Specs Parts Serial

Serial Number Location

For correct parts ordering and model verification, locate the serial number:

• Stamped on the rear frame near the winch housing

• Also listed on the cab data plate, often mounted behind the operator seat or near the main control panel

Serial number confirms Tier 4 Final compliance, hydraulic variant, and grapple configuration.

Key Specifications

Key Features

• Tier 4 Final C7.1 Engine – Delivers high torque and fuel efficiency with emissions compliance

• Integrated Grapple System – 22.3 ft² grapple ideal for forestry, storm recovery, or bulk material hauling

• High-Capacity Winch – 50,000 lb line pull for skidding, towing, or recovery operations

• High Ground Clearance – 25.6 inches provides excellent mobility in forest or off-road conditions

• Hydraulic Performance – 43 GPM flow supports fast grapple, winch, and blade control

• Durability for Tough Environments – Reinforced frame, weather-resistant hydraulics, and simplified service access

Common Replacement Parts

Find trusted Cat C7.1 winch & grapple tractor parts at Broken Tractor:

Engine & Emissions

• DEF sensors, DPF units, EGR valves, filters, and injectors for C7.1 ACERT Tier 4 Final

Hydraulic System

• Grapple cylinders, control valves, hydraulic pumps, pilot controls, and winch motors

Winch Assembly

• Cable drums, brake bands, spool valves, line guides, and tensioners

Transmission & Drive

• Gear selectors, clutch packs, transmission sensors, and shift controls

Electrical & Operator Station

• Monitor displays, ignition switches, seat assemblies, throttle modules, and cab wiring

Maintenance Schedule