Machine models

Cat 950K and 972K specifications

Entries in this reference
Listing-entry count
2

Short answer

Cat 950K and 972K: wheel loaders.

Selected configuration figures
Configuration	Documented field and quantity
950K	Net Power 210.6 hp Operating Weight 42,825 lb
972K	Net Power 288 hp Operating Weight 57,770 lb

950K and 972K specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Cat	950K and 972K	2	950K and 972K

Bucket
Specification	950K
Breakout Force	36,194 lb
Bucket Capacity - Heaped	15.7 yd3

Engine
Specification	950K	972K
Engine Model	C7.1 ACERT	C9.3 ACERT
Net Power	210.6 hp	288 hp
Bore	4.1 in	4.5 in
Stroke	5.3 in	5.9 in
Net Power - ISO 9249	211 hp	288 hp
Peak Net Torque - 1,400 Rpm - SAE J1349	729 lb-ft	985 lb-ft

Specification	950K
Displacement	427.8 cu in
Maximum Gross Power - 1,900 Rpm - SAE J1995	232 hp
Maximum Net Power - 1,900 Rpm - ISO 9249	211 hp
Maximum Net Power - 1,900 Rpm - SAE J1349	211 hp
Maximum Gross Power - 1,900 Rpm - SAE J1995 - Metric	234 hp
Maximum Net Power - 1,900 Rpm - ISO 9249 - Metric	213 hp
Maximum Net Power - 1,900 Rpm - SAE J1349 - Metric	213 hp
Maximum Net Power - 1,900 Rpm - Eec 80/1269	211 hp
Maximum Net Power - 1,900 Rpm - Eec 80/1269 - Metric	213 hp
Maximum Engine Power - 1,900 Rpm - ISO 14396	230 hp
Maximum Engine Power - 1,900 Rpm - ISO 14396 - Metric	234 hp
Peak Gross Torque - 1,300 Rpm - SAE J1995	777 lb-ft

Specification	972K
Gross Power	322 hp
Max Torque	1,051 lb-ft
Peak Gross Torque - 1,400 Rpm - SAE J1995	1,051 lb-ft
Maximum Net Power - 1,800 Rpm - ISO 9249	288 hp
Maximum Net Power - 1,800 Rpm - SAE J1349	288 hp
Maximum Net Power - 1,800 Rpm - ISO 9249 - Metric	292 hp
Maximum Net Power - 1,800 Rpm - SAE J1349 - Metric	292 hp
Maximum Net Power - 1,800 Rpm - Eec 80/1269	288 hp
Maximum Net Power - 1,800 Rpm - Eec 80/1269 - Metric	292 hp
Maximum Gross Power - 1,800 Rpm - SAE J1995	318 hp
Maximum Gross Power - 1,800 Rpm - SAE J1995 - Metric	322 hp

Operational
Specification	950K	972K
Operating Weight	42,825 lb	57,770 lb
Fuel Capacity	83 gal	101 gal
Hydraulic System Fluid Capacity	50 gal	52.3 gal

Specification	950K
Static Tipping Weight	24,269 lb

Specification	972K
Cooling System Fluid Capacity	17.4 gal
Transmission Fluid Capacity	13.2 gal

Transmission and speeds
Specification	950K	972K
Number Of Forward Gears	4	4
Number Of Reverse Gears	4	4
Max Speed - Forward	23.6 mph	22.9 mph
Max Speed - Reverse	24.8 mph	26.2 mph
Forward - 1	4.3 mph	4.4 mph
Forward - 2	8 mph	7.8 mph
Forward - 3	14.1 mph	13.3 mph
Forward - 4	23.6 mph	22.9 mph
Reverse - 1	4.7 mph	5 mph
Reverse - 2	8.8 mph	8.9 mph
Reverse - 3	15.4 mph	15.2 mph
Reverse - 4	24.7 mph	26.2 mph

Weights
Specification	950K	972K
Operating Weight	42,811 lb	57,770 lb

Tires
Specification	950K	972K
Tires	Choices	Choices

Buckets
Specification	950K	972K
Bucket Capacities	2.50 to 9.20 m3 (3.25 to 12.00 yd3)	2.90 m3-9.90 m3 (3.75 yd3-13.00 yd3)

Hydraulic System
Specification	950K	972K
Raise Time	5.9 sec	5.9 sec
Dump Time	1.8 sec	2 sec
Hydraulic Cycle Time - Total	10 s	10.3 s
Implement System - Maximum Operating Pressure	3,800 psi	4,496 psi
Hydraulic Cycle Time - Lower, Empty, Float Down	2.5 s	2.4 s
Steering System - Pump Type	Piston	Piston
Hydraulic Cycle Time - Raise From Carry Position	5.9 s	5.9 s
Hydraulic Cycle Time - Dump, At Maximum Raise	1.8 s	2 s

Specification	950K
Lower Time	2.5 sec
Implement System - Maximum Pump Output At 2,340 Rpm	90 gpm
Implement System - Optional 3rd And 4th Function Maximum Flow	74 gpm
Implement System - Optional 3rd And 4th Function Maximum Pressure	3,000 psi

Specification	972K
Relief Valve Setting	4,496 psi
Pump Flow Capacity	90 gpm
Pump Type	PISTON
Implement System - Optional 3rd Function Maximum Flow	79.3 gpm
Implement System - Optional 3rd Function Maximum Pressure	3,000 psi
Implement System - Maximum Pump Output At 2,275 Rpm	90 gpm

Axles
Specification	950K	972K
Front	Fixed	Fixed
Rear	Oscillating ?13 degrees	Oscillating ?13 degrees
Maximum Single-Wheel Rise And Fall	18.9 in	19.5 in

Brakes
Specification	950K	972K
Brakes	Meet OSHA, SAE J1473 OCT90 and ISO 3450-1985 required standards	Meet OSHA, SAE J1473 OCT90 and ISO 3450-1985 required standards

Operating Specifications
Specification	950K	972K
Breakout Force	36,203 lb	44,075 lb

Specification	950K
Static Tipping Load - Full 40 Degrees Turn - ISO 14397-1*	24,261 lb
Static Tipping Load - Full 40 Degrees Turn - Rigid Tires**	25,951 lb

Specification	972K
Static Tipping Load - Full 37 Degrees Turn - ISO 14397-1*	35,963 lb
Static Tipping Load - Full 37 Degrees Turn - Rigid Tires**	38,884 lb

Service Refill Capacities
Specification	950K	972K
Cooling System	15.9 gal	17.4 gal
Crankcase	4.8 gal	6.5 gal
Hydraulic Tank	49.9 gal	52.3 gal
Fuel Tank - Standard	83 gal	101 gal
Transmission	11.4 gal	13.2 gal
Differential - Final Drives - Front	11.4 gal	16.9 gal
Differential - Final Drives - Rear	11.4 gal	16.9 gal

Sound
Specification	950K	972K
Standards	Standards	Standards

Cab
Specification	950K	972K
ROPS/FOPS	Meets SAE and ISO standards	Meets SAE and ISO standards

Variants — Source comparison annotation
Source guide	Differing-field count reported
950K and 972K	77

Ratios
Figure	950K	972K
Engine horsepower per 1,000 lb of weight	4.9	5.0
Fuel tank per engine horsepower	0.39 gal	0.35 gal

Figure	972K
Pump flow per engine horsepower	0.31 gpm

950K and 972K: owner reports

Sources: 3 forum discussions about the Caterpillar 950 wheel loaders (950 and 950H); heavyequipmentforums.com.

Cat Hydraulic complaints on the 950H.

Sources: 3 forum discussions about the Caterpillar 972 wheel loaders (972H, 972K); heavyequipmentforums.com.

Cat: Fan pressure, injector events and a blown ECU fuse.

950K and 972K: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	wheel loader	Cat and the 950K, 972K. That is too few titles to say what owners mostly ask about, so the most recent are listed instead	8

CAT 972k 1 7 Cylinder 1 Injector Not Responding Properly And Active Event E398 For Low Fuel Rail Pressure (Heavy Equipment Forums, 2025-06-30)
CAT 972k EGR Balance Valve Current Low (Heavy Equipment Forums, 2025-06-17)
CAT 950k Auto Level Bucket Curl Issue (Heavy Equipment Forums, 2022-07-30)
CAT 950k Loader (Heavy Equipment Forums, 2022-06-02)

Used market for the 950K and 972K — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat wheel loader	74

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
950K	56	2012 to 2016	$48,500	$142,500	$85,750	2,013
972K	18	2011 to 2015	$44,977	$182,962	$105,278	2,870

950K and 972K: 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 wheel loader 950K, 972K	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat 950K — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat 972K — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat 950K and 972K — Heavy Equipment Forums. Observed 2026-09-24.
Forum threads	Forum threads: Forum threads read for the Caterpillar 950 wheel loaders (950 and 950H) — Heavyequipmentforums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat 950K — 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.

Recorded observations — Forum-title snapshot
Observation field	Recorded value
Title count	8
Forum indexes	Heavy Equipment Forums
Search wording	the 950K and 972K wheel loader
Latest title quoted by the reference	CAT 972k 1 7 Cylinder 1 Injector Not Responding Properly And Active Event E398 For Low Fuel Rail Pressure

Cat 950K and 972K: Configuration records

950K

Specification	Source figure
Bucket
Bucket Capacity - Heaped	15.7 yd3
Engine
Engine Model	C7.1 ACERT
Net Power	210.6 hp
Displacement	427.8 cu in
Bore	4.1 in
Stroke	5.3 in
Net Power - ISO 9249	211 hp
Peak Net Torque - 1,400 Rpm - SAE J1349	729 lb-ft
Maximum Gross Power - 1,900 Rpm - SAE J1995	232 hp
Maximum Net Power - 1,900 Rpm - ISO 9249	211 hp
Maximum Net Power - 1,900 Rpm - SAE J1349	211 hp
Maximum Gross Power - 1,900 Rpm - SAE J1995 - Metric	234 hp
Maximum Net Power - 1,900 Rpm - ISO 9249 - Metric	213 hp
Maximum Net Power - 1,900 Rpm - SAE J1349 - Metric	213 hp
Maximum Net Power - 1,900 Rpm - Eec 80/1269	211 hp
Maximum Net Power - 1,900 Rpm - Eec 80/1269 - Metric	213 hp
Maximum Engine Power - 1,900 Rpm - ISO 14396	230 hp
Maximum Engine Power - 1,900 Rpm - ISO 14396 - Metric	234 hp
Peak Gross Torque - 1,300 Rpm - SAE J1995	777 lb-ft
Operational
Fuel Capacity	83 gal
Hydraulic System Fluid Capacity	50 gal
Static Tipping Weight	24,269 lb
Transmission and speeds
Number Of Forward Gears	4
Number Of Reverse Gears	4
Max Speed - Forward	23.6 mph
Max Speed - Reverse	24.8 mph
Forward - 1	4.3 mph
Forward - 2	8 mph
Forward - 3	14.1 mph
Forward - 4	23.6 mph
Reverse - 1	4.7 mph
Reverse - 2	8.8 mph
Reverse - 3	15.4 mph
Reverse - 4	24.7 mph
Buckets
Bucket Capacities	2.50 to 9.20 m3 (3.25 to 12.00 yd3)
Hydraulic System
Raise Time	5.9 sec
Dump Time	1.8 sec
Lower Time	2.5 sec
Hydraulic Cycle Time - Total	10 s
Implement System - Maximum Operating Pressure	3,800 psi
Hydraulic Cycle Time - Lower, Empty, Float Down	2.5 s
Steering System - Pump Type	Piston
Hydraulic Cycle Time - Raise From Carry Position	5.9 s
Hydraulic Cycle Time - Dump, At Maximum Raise	1.8 s
Implement System - Maximum Pump Output At 2,340 Rpm	90 gpm
Implement System - Optional 3rd And 4th Function Maximum Flow	74 gpm
Implement System - Optional 3rd And 4th Function Maximum Pressure	3,000 psi
Axles
Front	Fixed
Rear	Oscillating ?13 degrees
Maximum Single-Wheel Rise And Fall	18.9 in
Operating Specifications
Static Tipping Load - Full 40 Degrees Turn - ISO 14397-1*	24,261 lb
Static Tipping Load - Full 40 Degrees Turn - Rigid Tires**	25,951 lb
Service Refill Capacities
Cooling System	15.9 gal
Crankcase	4.8 gal
Hydraulic Tank	49.9 gal
Fuel Tank - Standard	83 gal
Transmission	11.4 gal
Differential - Final Drives - Front	11.4 gal
Differential - Final Drives - Rear	11.4 gal
Sound
Standards	Standards
Cab
ROPS/FOPS	Meets SAE and ISO standards
Additional specifications
Breakout Force	36,194 lb
Operating Weight	42,825 lb
Tires	Choices
Brakes	Meet OSHA, SAE J1473 OCT90 and ISO 3450-1985 required standards

Source

972K

Specification	Source figure
Engine
Engine Model	C9.3 ACERT
Net Power	288 hp
Bore	4.5 in
Stroke	5.9 in
Net Power - ISO 9249	288 hp
Peak Net Torque - 1,400 Rpm - SAE J1349	985 lb-ft
Gross Power	322 hp
Max Torque	1,051 lb-ft
Peak Gross Torque - 1,400 Rpm - SAE J1995	1,051 lb-ft
Maximum Net Power - 1,800 Rpm - ISO 9249	288 hp
Maximum Net Power - 1,800 Rpm - SAE J1349	288 hp
Maximum Net Power - 1,800 Rpm - ISO 9249 - Metric	292 hp
Maximum Net Power - 1,800 Rpm - SAE J1349 - Metric	292 hp
Maximum Net Power - 1,800 Rpm - Eec 80/1269	288 hp
Maximum Net Power - 1,800 Rpm - Eec 80/1269 - Metric	292 hp
Maximum Gross Power - 1,800 Rpm - SAE J1995	318 hp
Maximum Gross Power - 1,800 Rpm - SAE J1995 - Metric	322 hp
Operational
Fuel Capacity	101 gal
Hydraulic System Fluid Capacity	52.3 gal
Cooling System Fluid Capacity	17.4 gal
Transmission Fluid Capacity	13.2 gal
Transmission and speeds
Number Of Forward Gears	4
Number Of Reverse Gears	4
Max Speed - Forward	22.9 mph
Max Speed - Reverse	26.2 mph
Forward - 1	4.4 mph
Forward - 2	7.8 mph
Forward - 3	13.3 mph
Forward - 4	22.9 mph
Reverse - 1	5 mph
Reverse - 2	8.9 mph
Reverse - 3	15.2 mph
Reverse - 4	26.2 mph
Buckets
Bucket Capacities	2.90 m3-9.90 m3 (3.75 yd3-13.00 yd3)
Hydraulic System
Raise Time	5.9 sec
Dump Time	2 sec
Hydraulic Cycle Time - Total	10.3 s
Implement System - Maximum Operating Pressure	4,496 psi
Hydraulic Cycle Time - Lower, Empty, Float Down	2.4 s
Steering System - Pump Type	Piston
Hydraulic Cycle Time - Raise From Carry Position	5.9 s
Hydraulic Cycle Time - Dump, At Maximum Raise	2 s
Relief Valve Setting	4,496 psi
Pump Flow Capacity	90 gpm
Pump Type	PISTON
Implement System - Optional 3rd Function Maximum Flow	79.3 gpm
Implement System - Optional 3rd Function Maximum Pressure	3,000 psi
Implement System - Maximum Pump Output At 2,275 Rpm	90 gpm
Axles
Front	Fixed
Rear	Oscillating ?13 degrees
Maximum Single-Wheel Rise And Fall	19.5 in
Operating Specifications
Static Tipping Load - Full 37 Degrees Turn - ISO 14397-1*	35,963 lb
Static Tipping Load - Full 37 Degrees Turn - Rigid Tires**	38,884 lb
Service Refill Capacities
Cooling System	17.4 gal
Crankcase	6.5 gal
Hydraulic Tank	52.3 gal
Fuel Tank - Standard	101 gal
Transmission	13.2 gal
Differential - Final Drives - Front	16.9 gal
Differential - Final Drives - Rear	16.9 gal
Sound
Standards	Standards
Cab
ROPS/FOPS	Meets SAE and ISO standards
Additional specifications
Operating Weight	57,770 lb
Tires	Choices
Brakes	Meet OSHA, SAE J1473 OCT90 and ISO 3450-1985 required standards
Breakout Force	44,075 lb

Source

More in Cat: 980M, 988B, 980/980 GC/980 XE.

Cat 950K and 972K specifications

950K and 972K: owner reports

Sources for this page

Cat 950K and 972K: Configuration records