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.
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SPECIFICATION SUMMARY
PRICE (USD)
Call 800-637-5000 for rate information
Engine
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Gross Power275 hp
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Engine ModelCat C7.1 ACERT™
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Displacement428 in3
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Bore4.13 in
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Stroke5.31 in
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Derating Altitude9843 ft
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Number of Cylinders6
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Maximum Torque at Rated Speed922 N-m at 1400 RPM
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Electrical System24V
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Battery Quantity2
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Battery - Volts12V
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Battery Capacity950 CCA
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Gross Power275 HP
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Engine ModelCat C7.1 ACERT™
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Displacement428 in³
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Bore4.13 in
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Stroke5.31 in
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Derating Altitude9843 ft
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Number of Cylinders6
Service Refill
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Fuel Tank99.8 gal
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Cooling System15.1 gal
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Engine Oil7.1 gal
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DEF Tank5.0 gal
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Transmission - Torque Converter14.3 gal (US)
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Parking Brake14.4 oz
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Differential, Final Drive - Front13.7 gal
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Differential - Final Drives - Rear13.7 gal (US)
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Differential - Final Drives - Tank17.2 gal (US)
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Differential - Final Drives - Total32.5 gal (US)
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Fuel Tank99.8 gal (US)
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Differential - Final Drives - Front13.7 gal (US)
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Cooling System15.1 gal (US)
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Engine Oil7.1 gal (US)
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DEF Tank5 gal (US)
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Parking Brake14.4 oz
Power Train
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TransmissionCountershaft Powershift
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Transmission Cooler TypeWater to Oil
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Travel Speed - Forward 13.5 mile/h
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Travel Speed - Forward 24.7 mile/h
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Travel Speed - Forward 36.5 mile/h
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Travel Speed - Forward 48.8 mile/h
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Travel Speed - Forward 511.8 mile/h
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Travel Speed - Forward 612.4 mile/h
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Travel Speed - Reverse 13.5 mile/h
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Travel Speed - Reverse 26.5 mile/h
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Travel Speed - Reverse 311.8 mile/h
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TransmissionCountershaft Powershift
Hydraulic System
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TypeLoad sense, closed center
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Pump TypeVariable displacement piston pump
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Pump Output58 gal/min
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TypeLoad sense, closed center
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Pump TypeVariable displacement piston pump
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Pump Output58 gal/min
Lift Chart
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Lift lowest, furthest - Dual Function14.9 in
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Ground level to axle center line* - Dual Function33.2 in
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Reach highest, retracted - Dual Function64.0 in
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Reach lowest, retracted - Dual Function74.1 in
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Reach lowest, furthest - Dual Function112.7 in
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Reach highest, furthest - Dual Function118.4 in
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Lift Height, Furthest - Dual Function86.6 in
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Sorting Capacity44.3 in
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Lift Height, Retracted - Dual Function118.3 in
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Lift Lowest, Furthest - Dual Function14.9 in
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Ground Level to Axle Centerline* - Dual Function33.2 in
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Reach - Highest, Retracted - Dual Function64 in
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Reach - Lowest, Retracted - Dual Function74.1 in
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Reach - Lowest, Furthest - Dual Function112.7 in
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Reach - Highest, Furthest - Dual Function118.4 in
Dimensions
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Ground level to axle center line*33.2 in
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Ground Clearance*21.7 in
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Blade lift height*56.1 in
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Blade dig depth*20.8 in
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Height to top of cab*133.3133.2 in
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Blade width - Wide123.5 in
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Overall width - 30.5L-32 NOAW126.6 in
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Overall width - 35.5L-32 NOAW139.1 in
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Wheelbase160.7 in
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Ground level to top arch/boom* - Dual Function177.8 in
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Ground Level to Axle Centerline*33.2 in
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Overall Length - Dual Function354.6 in
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Blade Lift Height*56.1 in
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Blade Dig Depth*20.8 in
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Blade Width - Standard105.4 in
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Weight - Dual Function47488 lb
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Overall Width - 30.5L-32 2X Ring126.6 in
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Overall Width - 30.5L-32133.3 in
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Overall Width - 35.5L-32 NOAW139.1 in
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Ground Level to Top Arch/Boom* - Dual Function177.8 in
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Ground Clearance*21.7 in
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Height - Top of Cylinders133.2 in
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Blade Width - Wide123.5 in
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Overall Width - 30.5L-32 NOAW126.6 in
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Overall Width - 35.5L-32145.8 in
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Wheel Base160.7 in
Brakes
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ServiceEnclosed wet single disc
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Transmission Cooler TypeSpring applied, hydraulic released
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ServiceEnclosed wet single disc
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Transmission Cooler TypeSpring applied, hydraulic released
Winch - Logging Winch
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Max Line Speed280 ft/min
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Drum Diameter195 ft
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Maximum Line Pull - Bare Drum40016 lbf
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Maximum Line Speed280 ft/min
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Drum Capacity - 25.4mm (1 in)85 ft
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TypeHydraulically driven
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Drum Width10 in
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Drum Diameter (1)9 in
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Drum Diameter (2)195 ft
Winch - Retrival Winch
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TypeHydraulically driven
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Maximum Line Speed134 ft/min
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Drum Capacity - 19.0 mm (3/4 in)195 ft
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Drum Capacity - 25.4 mm (1 in)85 ft
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Maximum Line Pull - Bare Drum40016 lbf
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Drum Diameter9 in
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Drum Width10 in
Grapple Dimensions
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Grapple Capacity22 ft²
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Tip to Tip Height93.19 in
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Tong Ppening143.78 in
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Full Open Height78.66 in
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Minimum Stem Diameter12.01 in
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Full Closed Height62.09 in
Cooling System
Power Train
Hydraulics
Structures
Winches
Operator Station
Serviceability
Integrated Technologies
Standard Equipment:
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- Electrical
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- 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
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- Operator Environment
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- 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
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- Powertrain
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- 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
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- Hydraulics
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- Load Sense Hydraulics
- Pumps, variable displacement main and fan
- Main control valve, high performance and multifuntioning
- Filter, in-tank return
- CAT ToughGuard hoses
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- Other Standard Equipment
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- 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:
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- Arch / Boom
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- Cable
- Single function
- Dual Function
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- Winch
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- Retrieval
- Logging
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- Blade
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- Standard
- Wide
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- Starting Aids
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- Receptacle, jump start
- Starting, cold weather
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- Tires
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- 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