Machine models

Cat 951C and 955K specifications

Entries in this reference
Listing-entry count
2

Short answer

Cat 951C and 955K: track loaders.

Selected configuration figures
Configuration	Documented field and quantity
951C	Net Power 95 hp Operating Weight 28,072 lb
955K	Net Power 115 hp Operating Weight 28,000 lb

951C and 955K specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Cat	951C and 955K	2	951C and 955K

Dimensions and weight
Specification	951C	955K
Length With Bucket On Ground	15.67 ft	16.41 ft
Ground Clearance	1.32 ft	1.35 ft
Width To Outside Of Tracks	6.5 ft	6.76 ft
Height To Top Of Cab	9.42 ft	7.42 ft
Clearance At Full Height And Dump	9.09 ft	9.52 ft
Reach At Dump Height	3.42 ft	5.35 ft
Length To Front Of Track	10.83 ft	11 ft

Undercarriage
Specification	951C	955K
Track Gauge	60.04 in	66.15 in
Length Of Track On Ground	7.03 ft	7.68 ft
Number Of Shoes Per Side	39	41
Number Of Track Rollers Per Side	5	6
Ground Contact Area	2,356 in2	2,760 in2
Track Shoe Width	13.98 in	14.97 in

Specification	955K
Engine Model	D330
Aspiration	turbocharged

Operational
Specification	951C	955K
Operating Weight	28,072 lb	28,000 lb
Fuel Capacity	52.1 gal	57.1 gal
Cooling System Fluid Capacity	6.5 gal	11.1 gal
Engine Oil Capacity	5 gal	5 gal
Final Drive Fluid Capacity - Each	2.6 gal	2.6 gal
Hydraulic System Fluid Capacity	19.5 gal	25.9 gal
Bucket Capacity - Struck	1.6 yd3	1.5 yd3
Bucket Capacity - Heaped	1.8 yd3	1.8 yd3
Max Speed	7.2 mph	7 mph

Specification	951C
Static Tipping Load	18,867 lb
Breakout Force - Std Bucket	15,710 lb
Operating Voltage	24 V
Alternator Supplied Amperage	19 amps

Variants — Source comparison annotation
Source guide	Differing-field count reported
951C and 955K	33

Ratios
Figure	951C	955K
Engine horsepower per 1,000 lb of weight	3.4	4.1
Fuel tank per engine horsepower	0.55 gal	0.50 gal

Figure	951C
Pump flow per engine horsepower	0.35 gpm

Cat 951C and 955K: track loader

Cat's listing for the 951C and 955K matches a track loader; see the Cat model reference.

951C and 955K: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	track loader	Cat and the 951C, 955K	54

CAT 955k Track Adjuster (Heavy Equipment Forums, 2026-06-28)
CAT 955k Traxcavator Wont Shift Out Of Neutral (Heavy Equipment Forums, 2026-04-06)
Is IT Safe To Move A CAT 955k Loader Thats Not Running (Heavy Equipment Forums, 2025-11-14)
CAT 951 C In My Sights (Heavy Equipment Forums, 2025-11-13)

Used market for the 951C and 955K — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat track loader	6

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
951C	1	1973	$15,000	$15,000	$15,000	None shown
955K	5	1969 to 1972	$7,089	$22,500	$7,950	None shown

951C and 955K: 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 track loader 951C, 955K	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat 951C — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat 955K — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat 951C and 955K — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat 951C — 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.

951C

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	9.42 ft
Ground Clearance	1.32 ft
Length With Bucket On Ground	15.67 ft
Width To Outside Of Tracks	6.5 ft
Clearance At Full Height And Dump	9.09 ft
Reach At Dump Height	3.42 ft
Length To Front Of Track	10.83 ft
Undercarriage
Track Gauge	60.04 in
Number Of Shoes Per Side	39
Ground Contact Area	2,356 in2
Number Of Track Rollers Per Side	5
Track Shoe Width	13.98 in
Engine
Number Of Cylinders	4
Net Power	95 hp
Displacement	427.2 cu in
Power Measured @	2,200 rpm
Operational
Operating Weight	28,072 lb
Fuel Capacity	52.1 gal
Cooling System Fluid Capacity	6.5 gal
Engine Oil Capacity	5 gal
Operating Voltage	24 V
Alternator Supplied Amperage	19 amps
Final Drive Fluid Capacity - Each	2.6 gal
Hydraulic System Fluid Capacity	19.5 gal
Static Tipping Load	18,867 lb
Breakout Force - Std Bucket	15,710 lb
Bucket Capacity - Struck	1.6 yd3
Bucket Capacity - Heaped	1.8 yd3
Max Speed	7.2 mph
Hydraulic
Raise Time	6.6 sec
Dump Time	2.4 sec
Lower Time	2.3 sec
Additional specifications
Length Of Track On Ground	7.03 ft
Pump Type	Vane-type pump
Pump Flow Capacity	33.3 gpm
Relief Valve Pressure	2,500 psi
Machine Class — OEM classification of the base loader family. LGP configuration figures remain in their separately identified historical records; this citation does not certify every option or replacement part.	Track loader [source]

955K

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	7.42 ft
Ground Clearance	1.35 ft
Length With Bucket On Ground	16.41 ft
Width To Outside Of Tracks	6.76 ft
Clearance At Full Height And Dump	9.52 ft
Reach At Dump Height	5.35 ft
Length To Front Of Track	11 ft
Undercarriage
Track Gauge	66.15 in
Number Of Shoes Per Side	41
Ground Contact Area	2,760 in2
Number Of Track Rollers Per Side	6
Track Shoe Width	14.97 in
Engine
Number Of Cylinders	4
Engine Model	D330
Net Power	115 hp
Displacement	427.2 cu in
Power Measured @	2,185 rpm
Aspiration	turbocharged
Operational
Operating Weight	28,000 lb
Fuel Capacity	57.1 gal
Cooling System Fluid Capacity	11.1 gal
Engine Oil Capacity	5 gal
Final Drive Fluid Capacity - Each	2.6 gal
Hydraulic System Fluid Capacity	25.9 gal
Bucket Capacity - Struck	1.5 yd3
Bucket Capacity - Heaped	1.8 yd3
Max Speed	7 mph
Additional specifications
Length Of Track On Ground	7.68 ft
Machine Class — OEM classification of the base loader family. LGP configuration figures remain in their separately identified historical records; this citation does not certify every option or replacement part.	Track loader [source]

Compare Cat 951C, 955K

Dimensions and weight
Specification	951C	955K
Length With Bucket On Ground	15.67 ft	16.41 ft
Ground Clearance	1.32 ft	1.35 ft
Width To Outside Of Tracks	6.5 ft	6.76 ft
Height To Top Of Cab	9.42 ft	7.42 ft
Clearance At Full Height And Dump	9.09 ft	9.52 ft
Reach At Dump Height	3.42 ft	5.35 ft
Length To Front Of Track	10.83 ft	11 ft

Undercarriage
Specification	951C	955K
Track Gauge	60.04 in	66.15 in
Length Of Track On Ground	7.03 ft	7.68 ft
Number Of Shoes Per Side	39	41
Number Of Track Rollers Per Side	5	6
Ground Contact Area	2,356 in2	2,760 in2
Track Shoe Width	13.98 in	14.97 in

Operational
Specification	951C	955K
Operating Weight	28,072 lb	28,000 lb
Fuel Capacity	52.1 gal	57.1 gal
Cooling System Fluid Capacity	6.5 gal	11.1 gal
Engine Oil Capacity	5 gal	5 gal
Final Drive Fluid Capacity - Each	2.6 gal	2.6 gal
Hydraulic System Fluid Capacity	19.5 gal	25.9 gal
Bucket Capacity - Struck	1.6 yd3	1.5 yd3
Bucket Capacity - Heaped	1.8 yd3	1.8 yd3
Max Speed	7.2 mph	7 mph