555D

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.


SPECIFICATIONS
Engine
Gross Power 275 HP
Engine Model Cat C7.1 ACERT™
Displacement 428 in³
Bore 4.13 in
Stroke 5.31 in
Maximum Torque at Rated Speed 922 N-m at 1400 RPM
Derating Altitude 9843 ft
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
Travel Speed - Forward 2 4.7 mile/h
Travel Speed - Forward 3 6.5 mile/h
Travel Speed - Forward 4 8.8 mile/h
Travel Speed - Forward 5 11.8 mile/h
Travel Speed - Reverse 1 3.5 mile/h
Travel Speed - Reverse 2 6.5 mile/h
Travel Speed - Reverse 3 11.8 mile/h
Travel Speed - Forward 6 12.4 mile/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


Lift Chart
Lift Height, Furthest - Dual Function 86.6 in
Sorting Capacity 44.3 in
Lift Height, Retracted - Dual Function 118.3 in
Lift Lowest, Furthest - Dual Function 14.9 in
Ground Level to Axle Centerline* - Dual Function 33.2 in
Reach - Highest, Retracted - Dual Function 64 in
Reach - Lowest, Retracted - Dual Function 74.1 in
Reach - Lowest, Furthest - Dual Function 112.7 in
Reach - Highest, Furthest - Dual Function 118.4 in


Grapple Dimensions
Grapple Capacity 22 ft²
Tip to Tip Height 93.19 in
Tong Ppening 143.78 in
Full Open Height 78.66 in
Minimum Stem Diameter 12.01 in
Full Closed Height 62.09 in


Winch - Retrival Winch
Type Hydraulically driven
Maximum Line Pull - Bare Drum 40016
Maximum Line Speed 134 ft/min
Drum Diameter 9 in
Drum Width 10 in
Drum Capacity - 19.0 mm (3/4 in) 195 ft
Drum Capacity - 25.4 mm (1 in) 85 ft


Winch - Logging Winch
Type Hydraulically driven
Maximum Line Pull - Bare Drum 40016
Maximum Line Speed 280 ft/min
Drum Diameter (1) 9 in
Drum Width 10 in
Drum Diameter (2) 195 ft
Drum Capacity - 25.4mm (1 in) 85 ft


Service Refill
Fuel Tank 99.8 gal (US)
Differential - Final Drives - Front 13.7 gal (US)
Cooling System 15.1 gal (US)
Differential - Final Drives - Rear 13.7 gal (US)
Engine Oil 7.1 gal (US)
Transmission - Torque Converter 14.3 gal (US)
DEF Tank 5 gal (US)
Differential - Final Drives - Tank 17.2 gal (US)
Differential - Final Drives - Total 32.5 gal (US)


Dimensions
Weight - Dual Function 47488 lb
Ground Level to Top Arch/Boom* - Dual Function 177.8 in
Ground Level to Axle Centerline* 33.2 in
Overall Length - Dual Function 354.6 in
Ground Clearance* 21.7 in
Blade Lift Height* 56.1 in
Blade Dig Depth* 20.8 in
Height - Top of Cylinders 133.2 in
Blade Width - Standard 105.4 in
Blade Width - Wide 123.5 in
Overall Width - 30.5L-32 NOAW 126.6 in
Overall Width - 30.5L-32 2X Ring 126.6 in
Overall Width - 30.5L-32 133.3 in
Overall Width - 35.5L-32 NOAW 139.1 in
Overall Width - 35.5L-32 145.8 in
Wheel Base 160.7 in


Service Refill
Parking Brake 14.4 oz