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Cat 938G and 938G Series II specifications

Entries in this reference
Listing-entry count
2
Short answer

Cat 938G and 938G Series II: wheel loaders.

Selected configuration figures
ConfigurationDocumented field and quantity
938G
Gross Power
145 hp
Operating Weight
29,059 lb
938G Series II
Gross Power
179.7 hp
Operating Weight
30,819 lb
938G and 938G Series II specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
Cat938G and 938G Series II2938G and 938G Series II
Bucket
Specification938G938G Series II
Dump Clearance At Max Raise8.93 ft9.48 ft
Breakout Force24,770 lb28,326 lb
Bucket Capacity - Heaped3.16 yd33.01 yd3
Bucket Width8.88 ft8.88 ft
Specification938G Series II
Bucket Capacity - Struck2.62 yd3
Dimensions and weight
Specification938G938G Series II
Ground Clearance1.32 ft1.35 ft
Length With Bucket On Ground24.04 ft23.56 ft
Width Over Tires8.54 ft8.37 ft
Height To Top Of Cab10.86 ft10.86 ft
Reach At Max Lift And Dump3.47 ft3.21 ft
Specification938G Series II
Wheelbase9.91 ft
Hinge Pin - Max Height12.61 ft
Engine
Specification938G938G Series II
Engine Model3126DITA3126B HEUI
Gross Power145 hp179.7 hp
Displacement439.4 cu in439.4 cu in
Specification938G Series II
Max Torque618.9 lb-ft
Aspirationturbocharged
Torque Rise62 %
Operational
Specification938G938G Series II
Operating Weight29,059 lb30,819 lb
Fuel Capacity67.1 gal67.1 gal
Hydraulic System Fluid Capacity23.8 gal23.8 gal
Static Tipping Weight23,186 lb25,230 lb
Specification938G Series II
Engine Oil Fluid Capacity8.2 gal
Cooling System Fluid Capacity12.7 gal
Transmission Fluid Capacity8 gal
Front Axle/Diff Fluid Capacity8 gal
Rear Axle/Diff Fluid Capacity8.5 gal
Turning Radius19.6 ft
Operating Voltage24 V
Alternator Supplied Amperage50 amps
Rear Axle Oscillation24 degrees
Tire Size20.5R25
Transmission and speeds
Specification938G938G Series II
Transmission TypePowershiftelectronic planetary powershift
Number Of Forward Gears44
Number Of Reverse Gears33
Max Speed - Forward22.4 mph24.2 mph
Max Speed - Reverse13.7 mph14.5 mph
Hydraulic System
Specification938G938G Series II
Raise Time6 sec6 sec
Dump Time1.4 sec1.4 sec
Lower Time2.8 sec2.8 sec
Specification938G Series II
Relief Valve Setting3,597 psi
Pump Flow Capacity43.1 gpm
Pump Typevane type
Variants — Source comparison annotation
Source guideDiffering-field count reported
938G and 938G Series II33
Ratios
Figure938G938G Series II
Engine horsepower per 1,000 lb of weight5.05.8
Fuel tank per engine horsepower0.46 gal0.37 gal
Figure938G Series II
Pump flow per engine horsepower0.24 gpm

938G and 938G Series II: owner reports

Sources: 3 forum discussions about the Caterpillar 938 wheel loaders (938G Series II, 938K); heavyequipmentforums.com.
938G and 938G Series II: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumswheel loaderCat and the 938G, 938G Series II17
Topics named by those titles
Title topicTitles
transmission and drive3
Topic in the titleThreadsShare of matching threads
transmission and drive318%
Used market for the 938G and 938G Series II — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderCat wheel loader40
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
938G401998 to 2008$23,044$92,500$39,90010,276
938G and 938G Series II: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionCat together with the wheel loader 938G, 938G Series IINo matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Cat 938G — RitchieSpecs. Observed 2026-09-24.
Reference site
Forum threads
Forum threads
Used-market listings
Federal agency data

Cat 938G and 938G Series II: Configuration records

938G
SpecificationSource figure
Engine
Displacement439.4 cu in
Engine Model3126DITA
Gross Power145 hp
Transmission and speeds
Number Of Forward Gears4
Number Of Reverse Gears3
Max Speed - Forward22.4 mph
Max Speed - Reverse13.7 mph
Transmission TypePowershift
Bucket
Dump Clearance At Max Raise8.93 ft
Breakout Force24,770 lb
Bucket Capacity - Heaped3.16 yd3
Bucket Width8.88 ft
Dimensions and weight
Ground Clearance1.32 ft
Length With Bucket On Ground24.04 ft
Width Over Tires8.54 ft
Reach At Max Lift And Dump3.47 ft
Height To Top Of Cab10.86 ft
Operational
Fuel Capacity67.1 gal
Hydraulic System Fluid Capacity23.8 gal
Static Tipping Weight23,186 lb
Hydraulic System
Raise Time6 sec
Dump Time1.4 sec
Lower Time2.8 sec
Additional specifications
Operating Weight29,059 lb

Source

938G Series II
SpecificationSource figure
Engine
Displacement439.4 cu in
Engine Model3126B HEUI
Max Torque618.9 lb-ft
Gross Power179.7 hp
Aspirationturbocharged
Torque Rise62 %
Transmission and speeds
Number Of Forward Gears4
Number Of Reverse Gears3
Max Speed - Forward24.2 mph
Max Speed - Reverse14.5 mph
Transmission Typeelectronic planetary powershift
Bucket
Dump Clearance At Max Raise9.48 ft
Breakout Force28,326 lb
Bucket Capacity - Heaped3.01 yd3
Bucket Width8.88 ft
Bucket Capacity - Struck2.62 yd3
Dimensions and weight
Ground Clearance1.35 ft
Length With Bucket On Ground23.56 ft
Width Over Tires8.37 ft
Reach At Max Lift And Dump3.21 ft
Height To Top Of Cab10.86 ft
Wheelbase9.91 ft
Hinge Pin - Max Height12.61 ft
Operational
Fuel Capacity67.1 gal
Hydraulic System Fluid Capacity23.8 gal
Static Tipping Weight25,230 lb
Cooling System Fluid Capacity12.7 gal
Transmission Fluid Capacity8 gal
Front Axle/Diff Fluid Capacity8 gal
Rear Axle/Diff Fluid Capacity8.5 gal
Rear Axle Oscillation24 degrees
Turning Radius19.6 ft
Tire Size20.5R25
Engine Oil Fluid Capacity8.2 gal
Operating Voltage24 V
Alternator Supplied Amperage50 amps
Hydraulic System
Raise Time6 sec
Dump Time1.4 sec
Lower Time2.8 sec
Relief Valve Setting3,597 psi
Pump Flow Capacity43.1 gpm
Pump Typevane type
Additional specifications
Operating Weight30,819 lb

Source

Compare Cat 938G, 938G Series II
Bucket
Specification938G938G Series II
Dump Clearance At Max Raise8.93 ft9.48 ft
Breakout Force24,770 lb28,326 lb
Bucket Capacity - Heaped3.16 yd33.01 yd3
Bucket Width8.88 ft8.88 ft
Dimensions and weight
Specification938G938G Series II
Ground Clearance1.32 ft1.35 ft
Length With Bucket On Ground24.04 ft23.56 ft
Width Over Tires8.54 ft8.37 ft
Height To Top Of Cab10.86 ft10.86 ft
Reach At Max Lift And Dump3.47 ft3.21 ft
Engine
Specification938G938G Series II
Engine Model3126DITA3126B HEUI
Gross Power145 hp179.7 hp
Displacement439.4 cu in439.4 cu in
Operational
Specification938G938G Series II
Operating Weight29,059 lb30,819 lb
Fuel Capacity67.1 gal67.1 gal
Hydraulic System Fluid Capacity23.8 gal23.8 gal
Static Tipping Weight23,186 lb25,230 lb
Transmission and speeds
Specification938G938G Series II
Transmission TypePowershiftelectronic planetary powershift
Number Of Forward Gears44
Number Of Reverse Gears33
Max Speed - Forward22.4 mph24.2 mph
Max Speed - Reverse13.7 mph14.5 mph
Hydraulic System
Specification938G938G Series II
Raise Time6 sec6 sec
Dump Time1.4 sec1.4 sec
Lower Time2.8 sec2.8 sec

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