Machine models

Cat 527 specifications

Entries in this reference
Listing-entry count
1

Short answer

Cat 527: skidder.

Selected configuration figures
Configuration	Documented field and quantity
527	Gross Power 166 hp Operating Weight 39,044 lb

Undercarriage
Specification	527
Length Of Track On Ground	9.34 ft
Number Of Shoes Per Side	41
Number Of Track Rollers Per Side	7
Ground Pressure	8 psi
Ground Contact Area	4,945 in2
Width Of Shoes	22.05 in

Operational
Specification	527
Operating Weight	39,044 lb
Fuel Capacity	75.1 gal
Cooling System Fluid Capacity	6.1 gal
Engine Oil Capacity	5.9 gal
Transmission Fluid Capacity	39.1 gal
Hydraulic System Fluid Capacity	10.6 gal
Operational Voltage	24 V
Alternator Supplied Amperage	50 amps

Hydraulic
Specification	527
Pump Type	Load-sensing, variable displacement piston pump
Pump Flow	29.4 gpm
Relief Valve Pressure	3,001 psi

Ratios
Figure	527
Engine horsepower per 1,000 lb of weight	3.8
Fuel tank per engine horsepower	0.50 gal

Cat 527: skidder

Where the 527 ranks in Cat's list — Scope of the captured comparison
Brand	Equipment group	Compared entry	Sort order
Cat	skidder	527	Descending quantity; 1 is largest

Figure	527	Rank	Lowest in line	Highest in line
Engine power	150.0 hp	3 of 7	90.0 hp	182.0 hp
Listed weight	39,044 lb	2 of 7	17,130 lb	39,045 lb
Fuel capacity	75.1 gal	3 of 6	42.6 gal	83.2 gal
Horsepower per 1,000 lb	3.8 hp	6 of 7	3.3 hp	5.8 hp

Listing in 2008. Equipment World's February 2008 listing gives the 527 track skidder in cable and grapple configurations, at 150 net hp (166 gross) from a Cat 3304 DITA engine, and describes it as able to work in soft, wet and steep terrain with minimal ground disturbance. Caterpillar 527 Track Skidder, Equipment World, 14 February 2008.
Caterpillar's purpose-built forestry line. In 2019 Caterpillar agreed to sell its purpose-built forestry product line (wheel skidders, track feller bunchers, wheel feller bunchers and knuckleboom loaders) and its LaGrange, Georgia plant to Weiler Forestry, while saying it would keep supplying forestry excavators for log loading and processing. Weiler to purchase Caterpillar forestry business, Equipment Journal; Weiler Forestry Comes Of Age, Timber Harvesting.

Used market for the 527 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat skidder	15

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
527	15	1997 to 2019	$119,558	$465,000	$204,500	250

527: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Cat together with the skidder 527	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat 527 — RitchieSpecs. Observed 2026-09-24.
Published history	Published history Source: Caterpillar 527 Track Skidder, Equipment World, 14 February 2008 — Equipment World. Observed 2026-09-25.
Published history	Published history Source: Weiler to purchase Caterpillar forestry business, Equipment Journal — Equipmentjournal. Observed 2026-09-25.
Published history	Published history Source: Weiler Forestry Comes Of Age, Timber Harvesting — Timberharvesting. Observed 2026-09-25.
Used-market listings	Used-market listings: MachineryTrader listings for Cat 527 — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Cat — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

527

Specification	Source figure
Dimensions and weight
Overall Length	3.68 ft
Overall Width	8.93 ft
Height To Top Of Cab	10.83 ft
Ground Clearance	3.55 ft
Wheelbase	9.34 ft
Max Line Speed	144.36 ft/min
Blade Width	11.02 ft
Drum Diameter	10 in
Max Blade Height	35.83 in
Max Line Pull - Bare Drum	7,056,528 lb
Undercarriage
Length Of Track On Ground	9.34 ft
Number Of Shoes Per Side	41
Number Of Track Rollers Per Side	7
Ground Pressure	8 psi
Ground Contact Area	4,945 in2
Width Of Shoes	22.05 in
Engine
Number Of Cylinders	4
Engine Model	3304 DIT Engine
Gross Power	166 hp
Net Power	150 hp
Power Measured @	2,200 rpm
Displacement	427.2 cu in
Operational
Operating Weight	39,044 lb
Fuel Capacity	75.1 gal
Cooling System Fluid Capacity	6.1 gal
Engine Oil Capacity	5.9 gal
Transmission Fluid Capacity	39.1 gal
Hydraulic System Fluid Capacity	10.6 gal
Operational Voltage	24 V
Alternator Supplied Amperage	50 amps
Transmission and speeds
Transmission Type	Cat three-speed powershift
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	7.2 mph
Max Speed - Reverse	9.1 mph
Hydraulic
Pump Type	Load-sensing, variable displacement piston pump
Pump Flow	29.4 gpm
Relief Valve Pressure	3,001 psi