Machine models

Cat D7H to D7R WHA specifications

Entries in this reference
Listing-entry count
5

Short answer

Cat D7H to D7R WHA: crawler dozers.

Selected configuration figures
Configuration	Documented field and quantity
D7H	Net Power 215 hp Operating Weight 52,134 lb
D7H LGP Series II	Gross Power 215 hp Operating Weight 57,069 lb
D7H Series II	Gross Power 215 hp Operating Weight 53,341 lb
D7H WDA Series II	Gross Power 215 hp Operating Weight 55,001 lb
D7R WHA	Gross Power 230 hp Operating Weight 61,553 lb

D7H to D7R WHA specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Cat	D7H to D7R WHA	5	D7H, D7H LGP Series II, D7H Series II, D7H WDA Series II, and D7R WHA

Dimensions and weight
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Length W/ Blade	18.24 ft	18.18 ft	18.25 ft	18.25 ft	19.1 ft
Height To Top Of Cab	10.95 ft	11.49 ft	11.23 ft	11.23 ft	11.49 ft
Length Of Track On Ground	9.51 ft	10.41 ft	9.52 ft	9.52 ft	9.45 ft
Ground Clearance	1.33 ft	1.61 ft	1.34 ft	1.34 ft	1.36 ft

Specification	D7H	D7H LGP Series II	D7H Series II	D7R WHA
Length W/O Blade	15.16 ft	15.16 ft	15.16 ft	15.33 ft

Specification	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Width Over Tracks	10.34 ft	8.34 ft	8.34 ft	8.34 ft

Undercarriage
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Track Gauge	6.5 ft	7.32 ft	6.5 ft	6.5 ft	6.5 ft
Standard Shoe Size	20.08 in	36.03 in	22.05 in	22.05 in	22.05 in
Ground Contact Area	4,560 in2	9,037 in2	5,022 in2	5,022 in2	4,991 in2
Number Of Track Rollers Per Side	7	7	7	7	7

Specification	D7H
Number Of Shoes Per Side	40

Specification	D7H	D7H LGP Series II	D7H Series II	D7R WHA
Ground Pressure	11.05 psi	6.31 psi	10.59 psi	10.16 psi

Engine
Specification	D7H	D7R WHA
Number Of Cylinders	6	6
Power Measured @	2,100 rpm	2,100 rpm

Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Gross Power	231 hp	215 hp	215 hp	215 hp	230 hp
Displacement	640.8 cu in	640.8 cu in	640.8 cu in	640.8 cu in	640.8 cu in

Specification	D7H
Net Power	215 hp
Aspiration	turbocharged

Specification	D7R WHA
Engine Model	3176C

Operational
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Operating Weight	52,134 lb	57,069 lb	53,341 lb	55,001 lb	61,553 lb
Fuel Capacity	129 gal	129 gal	129 gal	129 gal	129 gal

Specification	D7H
Cooling System Fluid Capacity	13.9 gal
Final Drives Fluid Capacity	2.6 gal
Operating Voltage	24 V
Alternator Supplied Amperage	35 amps

Specification	D7H	D7H Series II
Hydraulic Fluid Capacity	30.4 gal	13.8 gal

Transmission and speeds
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II
Transmission Type	Planetary powershift	powershift	powershift	powershift

Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Number Of Forward Gears	3	3	3	3	3
Number Of Reverse Gears	3	3	3	3	3

Specification	D7H	D7H LGP Series II	D7H Series II	D7R WHA
Max Speed - Forward	7.4 mph	7.4 mph	7.4 mph	6.6 mph
Max Speed - Reverse	8.9 mph	8.9 mph	8.9 mph	8.4 mph

Hydraulic System
Specification	D7H	D7H Series II
Relief Valve Pressure	3,300 psi	3,300 psi
Pump Flow Capacity	46.3 gpm	46.3 gpm

Standard Blade
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Blade width	12.6 ft	14.8 ft	12.8 ft	12.5 ft	12.9 ft
Blade height	50.3 in	52.8 in	53.6 in	74.1 in	77.6 in
Capacity	5.9 yd3	7.8 yd3	6.8 yd3	12.7 yd3	14.3 yd3
Cutting Depth	19.7 in	26.3 in	20.8 in	20.8 in	20.8 in

Specification	D7H
Blade Angle (Both Directions)	25 degrees

Variants — Source comparison annotation
Source guide	Differing-field count reported
D7H to D7R WHA	33

Ratios
Figure	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Engine horsepower per 1,000 lb of weight	4.1	3.8	4.0	3.9	3.7
Fuel tank per engine horsepower	0.60 gal	0.60 gal	0.60 gal	0.60 gal	0.56 gal

Figure	D7H	D7H Series II
Pump flow per engine horsepower	0.22 gpm	0.22 gpm

Reference directory classification
Equipment group	crawler dozer

D7H to D7R WHA: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	crawler dozer	Cat and the D7H, D7R line that the D7H, D7H LGP Series II, D7H Series II, D7H WDA Series II belongs to (no title names the exact model)	19

Topics named by those titles
Title topic	Titles
hydraulics	3

Topic in the title	Threads	Share of matching threads
hydraulics	3	16%

CAT D7h Hydraulic Oil Over Heating (Heavy Equipment Forums, 2024-10-25)
Digital Communication Protocol Of CAT D7r Decelerator Pedal (Heavy Equipment Forums, 2024-10-18)
CAT D7r (Heavy Equipment Forums, 2024-01-29)
CAT D7r Ii Diagnostics (Heavy Equipment Forums, 2023-02-23)

Used market for the D7H to D7R WHA — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat crawler dozer	72

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
D7H	25	1986 to 1998	$38,000	$139,064	$72,500	3,977
D7R WHA	47	1997 to 2020	$45,000	$364,900	$186,236	4,589

D7H to D7R WHA: 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 crawler dozer D7H, D7H LGP Series II, D7H Series II, D7H WDA Series II	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat D7H — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat D7H LGP Series II — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat D7H Series II — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat D7H WDA Series II — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat D7R WHA — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat D7H to D7R WHA — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat D7H — 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.

Cat D7H to D7R WHA: Configuration records

D7H

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	10.95 ft
Length W/O Blade	15.16 ft
Length W/ Blade	18.24 ft
Undercarriage
Track Gauge	6.5 ft
Number Of Shoes Per Side	40
Number Of Track Rollers Per Side	7
Ground Contact Area	4,560 in2
Standard Shoe Size	20.08 in
Ground Pressure	11.05 psi
Engine
Number Of Cylinders	6
Net Power	215 hp
Power Measured @	2,100 rpm
Aspiration	turbocharged
Displacement	640.8 cu in
Gross Power	231 hp
Operational
Fuel Capacity	129 gal
Cooling System Fluid Capacity	13.9 gal
Operating Voltage	24 V
Alternator Supplied Amperage	35 amps
Hydraulic Fluid Capacity	30.4 gal
Final Drives Fluid Capacity	2.6 gal
Transmission and speeds
Transmission Type	Planetary powershift
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	7.4 mph
Max Speed - Reverse	8.9 mph
Standard Blade
Blade width	12.6 ft
Blade height	50.3 in
Capacity	5.9 yd3
Cutting Depth	19.7 in
Blade Angle (Both Directions)	25 degrees
Additional specifications
Ground Clearance	1.33 ft
Length Of Track On Ground	9.51 ft
Operating Weight	52,134 lb
Relief Valve Pressure	3,300 psi
Pump Flow Capacity	46.3 gpm

Source

D7H LGP Series II

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	11.49 ft
Width Over Tracks	10.34 ft
Length W/O Blade	15.16 ft
Length W/ Blade	18.18 ft
Undercarriage
Track Gauge	7.32 ft
Number Of Track Rollers Per Side	7
Ground Contact Area	9,037 in2
Standard Shoe Size	36.03 in
Ground Pressure	6.31 psi
Engine
Displacement	640.8 cu in
Gross Power	215 hp
Operational
Fuel Capacity	129 gal
Transmission and speeds
Transmission Type	powershift
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	7.4 mph
Max Speed - Reverse	8.9 mph
Standard Blade
Blade width	14.8 ft
Blade height	52.8 in
Capacity	7.8 yd3
Cutting Depth	26.3 in
Additional specifications
Ground Clearance	1.61 ft
Length Of Track On Ground	10.41 ft
Operating Weight	57,069 lb

Source

D7H Series II

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	11.23 ft
Width Over Tracks	8.34 ft
Length W/O Blade	15.16 ft
Length W/ Blade	18.25 ft
Undercarriage
Track Gauge	6.5 ft
Number Of Track Rollers Per Side	7
Ground Contact Area	5,022 in2
Standard Shoe Size	22.05 in
Ground Pressure	10.59 psi
Engine
Displacement	640.8 cu in
Gross Power	215 hp
Operational
Fuel Capacity	129 gal
Hydraulic Fluid Capacity	13.8 gal
Transmission and speeds
Transmission Type	powershift
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	7.4 mph
Max Speed - Reverse	8.9 mph
Standard Blade
Blade width	12.8 ft
Blade height	53.6 in
Capacity	6.8 yd3
Cutting Depth	20.8 in
Additional specifications
Ground Clearance	1.34 ft
Length Of Track On Ground	9.52 ft
Operating Weight	53,341 lb
Relief Valve Pressure	3,300 psi
Pump Flow Capacity	46.3 gpm

Source

D7H WDA Series II

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	11.23 ft
Width Over Tracks	8.34 ft
Length W/ Blade	18.25 ft
Undercarriage
Track Gauge	6.5 ft
Number Of Track Rollers Per Side	7
Ground Contact Area	5,022 in2
Standard Shoe Size	22.05 in
Engine
Displacement	640.8 cu in
Gross Power	215 hp
Operational
Fuel Capacity	129 gal
Transmission and speeds
Transmission Type	powershift
Number Of Forward Gears	3
Number Of Reverse Gears	3
Standard Blade
Blade width	12.5 ft
Blade height	74.1 in
Capacity	12.7 yd3
Cutting Depth	20.8 in
Additional specifications
Ground Clearance	1.34 ft
Length Of Track On Ground	9.52 ft
Operating Weight	55,001 lb

Source

D7R WHA

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	11.49 ft
Width Over Tracks	8.34 ft
Length W/O Blade	15.33 ft
Length W/ Blade	19.1 ft
Undercarriage
Track Gauge	6.5 ft
Number Of Track Rollers Per Side	7
Ground Contact Area	4,991 in2
Standard Shoe Size	22.05 in
Ground Pressure	10.16 psi
Engine
Number Of Cylinders	6
Power Measured @	2,100 rpm
Displacement	640.8 cu in
Engine Model	3176C
Gross Power	230 hp
Operational
Fuel Capacity	129 gal
Transmission and speeds
Number Of Forward Gears	3
Number Of Reverse Gears	3
Max Speed - Forward	6.6 mph
Max Speed - Reverse	8.4 mph
Standard Blade
Blade width	12.9 ft
Blade height	77.6 in
Capacity	14.3 yd3
Cutting Depth	20.8 in
Additional specifications
Ground Clearance	1.36 ft
Length Of Track On Ground	9.45 ft
Operating Weight	61,553 lb

Source

Compare Cat D7H, D7H LGP Series II, D7H Series II, D7H WDA Series II, D7R WHA

Dimensions and weight
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Length W/ Blade	18.24 ft	18.18 ft	18.25 ft	18.25 ft	19.1 ft
Height To Top Of Cab	10.95 ft	11.49 ft	11.23 ft	11.23 ft	11.49 ft
Length Of Track On Ground	9.51 ft	10.41 ft	9.52 ft	9.52 ft	9.45 ft
Ground Clearance	1.33 ft	1.61 ft	1.34 ft	1.34 ft	1.36 ft

Undercarriage
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Track Gauge	6.5 ft	7.32 ft	6.5 ft	6.5 ft	6.5 ft
Standard Shoe Size	20.08 in	36.03 in	22.05 in	22.05 in	22.05 in
Ground Contact Area	4,560 in2	9,037 in2	5,022 in2	5,022 in2	4,991 in2
Number Of Track Rollers Per Side	7	7	7	7	7

Engine
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Gross Power	231 hp	215 hp	215 hp	215 hp	230 hp
Displacement	640.8 cu in	640.8 cu in	640.8 cu in	640.8 cu in	640.8 cu in

Operational
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Operating Weight	52,134 lb	57,069 lb	53,341 lb	55,001 lb	61,553 lb
Fuel Capacity	129 gal	129 gal	129 gal	129 gal	129 gal

Transmission and speeds
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Number Of Forward Gears	3	3	3	3	3
Number Of Reverse Gears	3	3	3	3	3

Standard Blade
Specification	D7H	D7H LGP Series II	D7H Series II	D7H WDA Series II	D7R WHA
Blade width	12.6 ft	14.8 ft	12.8 ft	12.5 ft	12.9 ft
Blade height	50.3 in	52.8 in	53.6 in	74.1 in	77.6 in
Capacity	5.9 yd3	7.8 yd3	6.8 yd3	12.7 yd3	14.3 yd3
Cutting Depth	19.7 in	26.3 in	20.8 in	20.8 in	20.8 in

More in Cat: D7R/D7R LGP/D7R XR, D6T XL–D7R Series II, D7E Hybrid/D7E LGP Hybrid specs.

Cat D7H to D7R WHA specifications

Sources for this page

Cat D7H to D7R WHA: Configuration records