555D Wheel Skidder

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555D Wheel Skidder

Building on Caterpillar's 40+ years' experience designing and manufacturing skidders, the Cat® D Series Wheel Skidder delivers more productivity at lower operating cost. Get more wood to the landing faster in a stable machine with a roomy, comfortable environment for the operator. Advanced hydraulics speed up multi-functioning and cycle times and give you more lift capacity. The D Series runs cool and is designed to keep debris from collecting inside the machine. Tilting cab and other access points cut the time needed for daily maintenance and servicing.
  • Standard Equipment
  • Optional Equipment
  • Specs

Standard Equipment

  • Electrical
    • 24V electrical system
    • Alarm, back-up
    • Alternator, 115-amp
    • Batteries, maintenance free (2-1000 CCA)
    • Lighting system, halogen (4 total)
    • Main disconnect switch with Diesel Exhaust Fluid (DEF) purge indicator light
    • Starter, electric, heavy duty
    • Starting and charging system
    • Diagnostic connector
  • Operator Environment
    • Cab, enclosed ROPS, FOPS, and OPS certified
    • HVAC system, high performance
    • Seat, High back air suspension with lap seat belt
    • Power port, 12V
    • Converter, 24V to 12V
    • Beverage holder (2)
    • Headliner with dome light
    • Floormat, non permeable and removable
    • Mirror, rear view
    • Computerized Monitoring System
  • Powertrain
    • Engine, Cat C7 with ACERT Technology
    • Fuel priming pump, electric
    • Fuel transfer pump (electric)
    • Fuel filters, inline, primary and secondary
    • Air Precleaner, Turbine
    • Air Cleaner, 2-stage
    • Cooling, cross-flow system with stationary cores and swing out panel
    • Reversing cooling fan, hydraulically driven on demand
    • Transmission, countershaft powershift (6F/3R)
    • Lock-up torque converter
    • Lubed for life driveline slipjoint and universal joints
    • Axles, heavy duty Cat inboard planetary approved for wide tires up to 73-44 with chains
    • Differential locks, independent front and rear
    • Four-wheel enclosed disc service brakes
    • Parking brake, hydraulically released, spring applied
    • Fuel tank, high capacity
  • Hydraulics
    • Load Sense Hydraulics
    • Pumps, variable displacement main and fan
    • Main control valve, high performance and multifuntioning
    • Filter, in-tank return
    • CAT ToughGuard hoses
  • Other standard equipment
    • Access panels, hinged or removable
    • Articulation lock link
    • Center Hitch, dual tapered roller bearing upper and lower
    • Ecology drains (engine oil, engine coolant, hyd tank, axles, transmission)
    • Fuel fill, ground level
    • Frames, heavy duty
    • Limb risers, heavy duty
    • Segregated compartments, engine/CEM and cooling
    • Product Link
    • Single side engine service
    • S·O·SSM sampling ports
    • Tilt Cab
    • Vandalism protection, lockable doors and cap locks

Optional Equipment

  • Arch / Boom
    • Cable
    • Single function
    • Dual Function
  • Winch
    • Retrieval
    • Logging
  • Blade
    • Standard
    • Wide
  • Starting Aids
    • Receptacle, jump start
    • Starting, cold weather
  • Tires
    • 30.5L-32 20PR, NOAW *
    • 30.5L-32 26PR , NOAW*
    • 30.5L-32 20PR , 2X Ring**
    • 30.5L-32 26PR , 2X Ring**
    • 30.5L-32 20PR
    • 30.5L-32 26PR
    • 35.5LB-32 20PR, NOAW*
    • 35.5LB-32 24PR, NOAW*
    • 35.5L-32 20PR
    • 35.5L-32 24PR
    • * NOAW – Narrow Overall Width
    • ** 2X Ring – Inner dual tire rim with integrated dual ring mounting of 24.5L-32 outer tire

Specs

Overview

Long Name:
555D Wheel Skidder
Name:
555D
Brand:
Caterpillar
Status:
Current

Engine

Gross Power:
275 HP / 205 kW
Engine Model:
Cat C7.1 ACERT™
Displacement:
428 in³ / 7 l
Bore:
4.13 in / 105 mm
Stroke:
5.31 in / 135 mm
Maximum Torque at Rated Speed:
922 N-m at 1400 RPM
Derating Altitude:
9843 ft / 3000 m
Electrical System:
24V
Battery Quantity:
2
Battery - Volts:
12V
Battery Capacity:
950 CCA
Number of Cylinders:
6

Power Train

Travel Speed - Forward 1:
3.5 mile/h / 5.6 km/h
Travel Speed - Forward 2:
4.7 mile/h / 7.6 km/h
Travel Speed - Forward 3:
6.5 mile/h / 10.4 km/h
Travel Speed - Forward 4:
8.8 mile/h / 14.1 km/h
Travel Speed - Forward 5:
11.8 mile/h / 18.9 km/h
Travel Speed - Reverse 1:
3.5 mile/h / 5.6 km/h
Travel Speed - Reverse 2:
6.5 mile/h / 10.4 km/h
Travel Speed - Reverse 3:
11.8 mile/h / 18.9 km/h
Travel Speed - Forward 6:
12.4 mile/h / 20 km/h
Transmission:
Countershaft Powershift

Brakes

Service:
Enclosed wet single disc
Transmission Cooler Type:
Spring applied, hydraulic released

Power Train

Transmission Cooler Type:
Water to Oil

Hydraulic System

Type:
Load sense, closed center
Pump Type:
Variable displacement piston pump
Pump Output:
58 gal/min / 220 l/min

Lift Chart

Lift Height, Furthest - Dual Function:
86.6 in / 2200 mm
Sorting Capacity:
44.3 in / 1125 mm
Lift Height, Retracted - Dual Function:
118.3 in / 3005 mm
Lift Lowest, Furthest - Dual Function:
14.9 in / 1125 mm
Ground Level to Axle Centerline* - Dual Function:
33.2 in / 843 mm
Reach - Highest, Retracted - Dual Function:
64 in / 1626 mm
Reach - Lowest, Retracted - Dual Function:
74.1 in / 1883 mm
Reach - Lowest, Furthest - Dual Function:
112.7 in / 2863 mm
Reach - Highest, Furthest - Dual Function:
118.4 in / 3007 mm

Grapple Dimensions

Grapple Capacity:
22 ft² / 2.04 m²
Tip to Tip Height:
93.19 in / 2367 mm
Tong Ppening:
143.78 in / 3652 mm
Full Open Height:
78.66 in / 1998 mm
Minimum Stem Diameter:
12.01 in / 305 mm
Full Closed Height:
62.09 in / 1577 mm

Winch - Retrival Winch

Type:
Hydraulically driven
Maximum Line Pull - Bare Drum:
40016  / 178 kN
Maximum Line Speed:
134 ft/min / 41 m/min
Drum Diameter:
9 in / 229 mm
Drum Width:
10 in / 254 mm
Drum Capacity - 19.0 mm (3/4 in):
195 ft / 59 m
Drum Capacity - 25.4 mm (1 in):
85 ft / 26 m

Winch - Logging Winch

Type:
Hydraulically driven
Maximum Line Pull - Bare Drum:
40016  / 178 kN
Maximum Line Speed:
280 ft/min / 85.3 m/min
Drum Diameter (1):
9 in / 229 mm
Drum Width:
10 in / 254 mm
Drum Diameter (2):
195 ft / 59 m
Drum Capacity - 25.4mm (1 in):
85 ft / 26 m

Service Refill

Fuel Tank:
99.8 gal (US) / 378 l
Differential - Final Drives - Front:
13.7 gal (US) / 52 l
Cooling System:
15.1 gal (US) / 57 l
Differential - Final Drives - Rear:
13.7 gal (US) / 52 l
Engine Oil:
7.1 gal (US) / 27 l
Transmission - Torque Converter:
14.3 gal (US) / 54 l
DEF Tank:
5 gal (US) / 19 l
Differential - Final Drives - Tank:
17.2 gal (US) / 65 l
Differential - Final Drives - Total:
32.5 gal (US) / 123 l

Dimensions

Weight - Dual Function:
47488 lb / 21540 kg
Ground Level to Top Arch/Boom* - Dual Function:
177.8 in / 4517 mm
Ground Level to Axle Centerline*:
33.2 in / 843 mm
Overall Length - Dual Function:
354.6 in / 9007 mm
Ground Clearance*:
21.7 in / 550 mm
Blade Lift Height*:
56.1 in / 1426 mm
Blade Dig Depth*:
20.8 in / 529 mm
Height - Top of Cylinders:
133.2 in / 3386 mm
Blade Width - Standard:
105.4 in / 2678 mm
Blade Width - Wide:
123.5 in / 3138 mm
Overall Width - 30.5L-32 NOAW:
126.6 in / 3216 mm
Overall Width - 30.5L-32 2X Ring:
126.6 in / 3216 mm
Overall Width - 30.5L-32:
133.3 in / 3386 mm
Overall Width - 35.5L-32 NOAW:
139.1 in / 3533 mm
Overall Width - 35.5L-32:
145.8 in / 3703 mm
Wheel Base:
160.7 in / 4083 mm

Service Refill

Parking Brake:
14.4 oz / 425 ml