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Cat D7R LGP Series II to D8R WHA specifications

Entries in this reference
Listing-entry count
6
Short answer

Cat D7R LGP Series II to D8R WHA: crawler dozers.

Selected configuration figures
ConfigurationDocumented field and quantity
D7R LGP Series II
Gross Power
258 hp
Operating Weight
50,094 lb
D7R WH LGP Series II
Gross Power
258 hp
Operating Weight
61,500 lb
D7R WH Series II
Gross Power
258 hp
Operating Weight
61,500 lb
D7R XR Series II
Gross Power
258 hp
Operating Weight
57,056 lb
D8N
Gross Power
306 hp
Operating Weight
82,590 lb
D8R WHA
Gross Power
305 hp
Operating Weight
82,881 lb
D7R LGP Series II to D8R WHA specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
CatD7R LGP Series II to D8R WHA6D7R LGP Series II, D7R WH LGP Series II, D7R WH Series II, D7R XR Series II, D8N, and D8R WHA
Dimensions and weight
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Length W/ Blade19.1 ft20.58 ft15.33 ft19.79 ft20.56 ft20.97 ft
Width Over Tracks10.33 ft8.33 ft8.5 ft8.5 ft8.67 ft8.86 ft
Height To Top Of Cab11.33 ft11.75 ft11.26 ft11.08 ft11.26 ft8.76 ft
Length Of Track On Ground10.42 ft10.42 ft9.4 ft12 ft10.5 ft10.54 ft
Ground Clearance19.5 ft1.63 ft1.37 ft16.4 ft1.74 ft1.92 ft
Length W/O Blade15.5 ft15.5 ft15.5 ft15.5 ft16.26 ft16.18 ft
Undercarriage
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Track Gauge7.35 ft7.35 ft6.5 ft6.5 ft6.84 ft6.83 ft
Standard Shoe Size36 in36 in22 in24 in22.05 in22.05 in
Ground Pressure6.6 psi6.55 psi10.69 psi9.81 psi14.6 psi14.67 psi
Ground Contact Area9,000 in28,974 in25,016 in25,760 in25,580 in25,549 in2
Number Of Track Rollers Per Side777888
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8N
Number Of Shoes Per Side4343434144
SpecificationD7R LGP Series IID7R XR Series IID8N
Track Pitch8.5 in8.5 in8.5 in
Engine
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Number Of Cylinders666666
Engine Model3176C3176C3176C3176C3406C3406ETA
Gross Power258 hp258 hp258 hp258 hp306 hp305 hp
Power Measured @2,100 rpm2,100 rpm2,100 rpm2,100 rpm2,100 rpm2,100 rpm
Displacement629 cu in629 cu in639 cu in629 cu in891 cu in891 cu in
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8N
Net Power240 hp240 hp240 hp240 hp285 hp
SpecificationD8N
Aspirationturbocharged and aftercooled
Operational
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Operating Weight50,094 lb61,500 lb61,500 lb57,056 lb82,590 lb82,881 lb
Fuel Capacity126.5 gal126.5 gal126.5 gal126.5 gal129 gal165.2 gal
SpecificationD7R LGP Series IID7R XR Series IID8N
Cooling System Fluid Capacity20.4 gal20.4 gal19.6 gal
Engine Oil Capacity8.2 gal8.2 gal9.8 gal
Powertrain Fluid Capacity47 gal47 gal34.1 gal
Final Drives Fluid Capacity3.4 gal3.4 gal3.7 gal
SpecificationD7R WH LGP Series IID7R WH Series IID7R XR Series IID8N
Operating Voltage24 V24 V24 V24 V
Alternator Supplied Amperage95 amps95 amps95 amps50 amps
SpecificationD8N
Hydraulic Fluid Capacity18.5 gal
Transmission and speeds
SpecificationD7R LGP Series IID7R XR Series IID8N
Transmission TypeHydrostaticHydrostaticPlanetary powershift
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Number Of Forward Gears333333
Number Of Reverse Gears333333
Max Speed - Forward6.6 mph6.6 mph6.6 mph6.6 mph6.8 mph6.6 mph
Max Speed - Reverse8.5 mph8.4 mph8.4 mph8.5 mph8.7 mph8.6 mph
Hydraulic System
SpecificationD7R LGP Series IID8N
Relief Valve Pressure3,307 psi3,500 psi
SpecificationD7R LGP Series IID7R XR Series IID8N
Pump Flow Capacity47.6 gpm47.6 gpm63.5 gpm
Standard Blade
SpecificationD7R LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Blade width15 ft12.2 ft12.1 ft13 ft13 ft
SpecificationD7R LGP Series IID7R XR Series IID8ND8R WHA
Blade height53 in60 in66.6 in97.1 in
Cutting Depth26.3 in20.7 in23 in23 in
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Capacity7.7 yd316.1 yd318.4 yd39 yd311.4 yd326.2 yd3
Variants — Source comparison annotation
Source guideDiffering-field count reported
D7R LGP Series II to D8R WHA36
Ratios
FigureD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Engine horsepower per 1,000 lb of weight4.83.93.94.23.53.7
Fuel tank per engine horsepower0.53 gal0.53 gal0.53 gal0.53 gal0.45 gal0.54 gal
FigureD7R LGP Series IID7R XR Series IID8N
Pump flow per engine horsepower0.20 gpm0.20 gpm0.22 gpm
Reference directory classification
Equipment groupcrawler dozer
D7R LGP Series II to D8R WHA: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumscrawler dozerCat and the D7R LGP, D7R, D8R line that the D7R LGP Series II, D7R WH LGP Series II, D7R WH Series II, D7R XR Series II belongs to (no title names the exact model)44
Topics named by those titles
Title topicTitles
transmission and drive3
tracks and undercarriage2
parts and manuals2
Topic in the titleThreadsShare of matching threads
transmission and drive37%
tracks and undercarriage25%
parts and manuals25%
Used market for the D7R LGP Series II to D8R WHA — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderCat crawler dozer99
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
D8N301987 to 2000$57,500$175,000$100,20113,441
D8R WHA691995 to 2011$71,500$250,000$148,1892,500
D7R LGP Series II to D8R WHA: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionCat together with the crawler dozer D7R LGP Series II, D7R WH LGP Series II, D7R WH Series II, D7R XR Series IINo matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
Reference site
Reference site
Reference site
Reference site
  • Reference site: Cat D8N — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Cat D8R WHA — RitchieSpecs. Observed 2026-09-24.
Forum threads
Used-market listings
Federal agency data

Cat D7R LGP Series II to D8R WHA: Configuration records

D7R LGP Series II
SpecificationSource figure
Engine
Number Of Cylinders6
Engine Model3176C
Gross Power258 hp
Net Power240 hp
Power Measured @2,100 rpm
Displacement629 cu in
Transmission and speeds
Number Of Forward Gears3
Number Of Reverse Gears3
Max Speed - Forward6.6 mph
Max Speed - Reverse8.5 mph
Transmission TypeHydrostatic
Dimensions and weight
Height To Top Of Cab11.33 ft
Length W/ Blade19.1 ft
Width Over Tracks10.33 ft
Length Of Track On Ground10.42 ft
Length W/O Blade15.5 ft
Operational
Fuel Capacity126.5 gal
Cooling System Fluid Capacity20.4 gal
Engine Oil Capacity8.2 gal
Powertrain Fluid Capacity47 gal
Final Drives Fluid Capacity3.4 gal
Hydraulic System
Relief Valve Pressure3,307 psi
Pump Flow Capacity47.6 gpm
Undercarriage
Track Gauge7.35 ft
Standard Shoe Size36 in
Number Of Shoes Per Side43
Ground Pressure6.6 psi
Ground Contact Area9,000 in2
Number Of Track Rollers Per Side7
Track Pitch8.5 in
Standard Blade
Cutting Depth26.3 in
Additional specifications
Operating Weight50,094 lb
Blade width15 ft
Blade height53 in
Capacity7.7 yd3

Source

D7R WH LGP Series II
SpecificationSource figure
Engine
Number Of Cylinders6
Engine Model3176C
Gross Power258 hp
Net Power240 hp
Power Measured @2,100 rpm
Displacement629 cu in
Transmission and speeds
Number Of Forward Gears3
Number Of Reverse Gears3
Max Speed - Forward6.6 mph
Max Speed - Reverse8.4 mph
Dimensions and weight
Height To Top Of Cab11.75 ft
Length W/ Blade20.58 ft
Width Over Tracks8.33 ft
Length Of Track On Ground10.42 ft
Length W/O Blade15.5 ft
Operational
Fuel Capacity126.5 gal
Operating Voltage24 V
Alternator Supplied Amperage95 amps
Undercarriage
Track Gauge7.35 ft
Standard Shoe Size36 in
Number Of Shoes Per Side43
Ground Pressure6.55 psi
Ground Contact Area8,974 in2
Number Of Track Rollers Per Side7
Additional specifications
Ground Clearance1.63 ft
Operating Weight61,500 lb
Capacity16.1 yd3

Source

D7R WH Series II
SpecificationSource figure
Engine
Number Of Cylinders6
Engine Model3176C
Gross Power258 hp
Net Power240 hp
Power Measured @2,100 rpm
Displacement639 cu in
Transmission and speeds
Number Of Forward Gears3
Number Of Reverse Gears3
Max Speed - Forward6.6 mph
Max Speed - Reverse8.4 mph
Dimensions and weight
Height To Top Of Cab11.26 ft
Length W/ Blade15.33 ft
Width Over Tracks8.5 ft
Length Of Track On Ground9.4 ft
Length W/O Blade15.5 ft
Operational
Fuel Capacity126.5 gal
Operating Voltage24 V
Alternator Supplied Amperage95 amps
Undercarriage
Track Gauge6.5 ft
Standard Shoe Size22 in
Number Of Shoes Per Side43
Ground Pressure10.69 psi
Ground Contact Area5,016 in2
Number Of Track Rollers Per Side7
Additional specifications
Ground Clearance1.37 ft
Operating Weight61,500 lb
Blade width12.2 ft
Capacity18.4 yd3

Source

D7R XR Series II
SpecificationSource figure
Engine
Number Of Cylinders6
Engine Model3176C
Gross Power258 hp
Net Power240 hp
Power Measured @2,100 rpm
Displacement629 cu in
Transmission and speeds
Number Of Forward Gears3
Number Of Reverse Gears3
Max Speed - Forward6.6 mph
Max Speed - Reverse8.5 mph
Transmission TypeHydrostatic
Dimensions and weight
Height To Top Of Cab11.08 ft
Length W/ Blade19.79 ft
Width Over Tracks8.5 ft
Length Of Track On Ground12 ft
Length W/O Blade15.5 ft
Operational
Fuel Capacity126.5 gal
Cooling System Fluid Capacity20.4 gal
Engine Oil Capacity8.2 gal
Operating Voltage24 V
Alternator Supplied Amperage95 amps
Powertrain Fluid Capacity47 gal
Final Drives Fluid Capacity3.4 gal
Hydraulic System
Pump Flow Capacity47.6 gpm
Undercarriage
Track Gauge6.5 ft
Standard Shoe Size24 in
Number Of Shoes Per Side41
Ground Pressure9.81 psi
Ground Contact Area5,760 in2
Number Of Track Rollers Per Side8
Track Pitch8.5 in
Standard Blade
Cutting Depth20.7 in
Additional specifications
Operating Weight57,056 lb
Blade width12.1 ft
Blade height60 in
Capacity9 yd3

Source

D8N
SpecificationSource figure
Engine
Number Of Cylinders6
Engine Model3406C
Gross Power306 hp
Net Power285 hp
Power Measured @2,100 rpm
Displacement891 cu in
Aspirationturbocharged and aftercooled
Transmission and speeds
Number Of Forward Gears3
Number Of Reverse Gears3
Max Speed - Forward6.8 mph
Max Speed - Reverse8.7 mph
Transmission TypePlanetary powershift
Dimensions and weight
Height To Top Of Cab11.26 ft
Length W/ Blade20.56 ft
Width Over Tracks8.67 ft
Length Of Track On Ground10.5 ft
Length W/O Blade16.26 ft
Operational
Fuel Capacity129 gal
Cooling System Fluid Capacity19.6 gal
Engine Oil Capacity9.8 gal
Operating Voltage24 V
Alternator Supplied Amperage50 amps
Powertrain Fluid Capacity34.1 gal
Final Drives Fluid Capacity3.7 gal
Hydraulic Fluid Capacity18.5 gal
Hydraulic System
Relief Valve Pressure3,500 psi
Pump Flow Capacity63.5 gpm
Undercarriage
Track Gauge6.84 ft
Standard Shoe Size22.05 in
Number Of Shoes Per Side44
Ground Pressure14.6 psi
Ground Contact Area5,580 in2
Number Of Track Rollers Per Side8
Track Pitch8.5 in
Standard Blade
Cutting Depth23 in
Additional specifications
Ground Clearance1.74 ft
Operating Weight82,590 lb
Blade width13 ft
Blade height66.6 in
Capacity11.4 yd3

Source

D8R WHA
SpecificationSource figure
Engine
Number Of Cylinders6
Engine Model3406ETA
Gross Power305 hp
Power Measured @2,100 rpm
Displacement891 cu in
Transmission and speeds
Number Of Forward Gears3
Number Of Reverse Gears3
Max Speed - Forward6.6 mph
Max Speed - Reverse8.6 mph
Dimensions and weight
Height To Top Of Cab8.76 ft
Length W/ Blade20.97 ft
Width Over Tracks8.86 ft
Length Of Track On Ground10.54 ft
Length W/O Blade16.18 ft
Operational
Fuel Capacity165.2 gal
Undercarriage
Track Gauge6.83 ft
Standard Shoe Size22.05 in
Ground Pressure14.67 psi
Ground Contact Area5,549 in2
Number Of Track Rollers Per Side8
Standard Blade
Cutting Depth23 in
Additional specifications
Ground Clearance1.92 ft
Operating Weight82,881 lb
Blade width13 ft
Blade height97.1 in
Capacity26.2 yd3

Source

Compare Cat D7R LGP Series II, D7R WH LGP Series II, D7R WH Series II, D7R XR Series II, D8N, D8R WHA
Dimensions and weight
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Length W/ Blade19.1 ft20.58 ft15.33 ft19.79 ft20.56 ft20.97 ft
Width Over Tracks10.33 ft8.33 ft8.5 ft8.5 ft8.67 ft8.86 ft
Height To Top Of Cab11.33 ft11.75 ft11.26 ft11.08 ft11.26 ft8.76 ft
Length Of Track On Ground10.42 ft10.42 ft9.4 ft12 ft10.5 ft10.54 ft
Length W/O Blade15.5 ft15.5 ft15.5 ft15.5 ft16.26 ft16.18 ft
Undercarriage
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Track Gauge7.35 ft7.35 ft6.5 ft6.5 ft6.84 ft6.83 ft
Standard Shoe Size36 in36 in22 in24 in22.05 in22.05 in
Ground Pressure6.6 psi6.55 psi10.69 psi9.81 psi14.6 psi14.67 psi
Ground Contact Area9,000 in28,974 in25,016 in25,760 in25,580 in25,549 in2
Number Of Track Rollers Per Side777888
Engine
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Number Of Cylinders666666
Engine Model3176C3176C3176C3176C3406C3406ETA
Gross Power258 hp258 hp258 hp258 hp306 hp305 hp
Power Measured @2,100 rpm2,100 rpm2,100 rpm2,100 rpm2,100 rpm2,100 rpm
Displacement629 cu in629 cu in639 cu in629 cu in891 cu in891 cu in
Operational
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Operating Weight50,094 lb61,500 lb61,500 lb57,056 lb82,590 lb82,881 lb
Fuel Capacity126.5 gal126.5 gal126.5 gal126.5 gal129 gal165.2 gal
Transmission and speeds
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Number Of Forward Gears333333
Number Of Reverse Gears333333
Max Speed - Forward6.6 mph6.6 mph6.6 mph6.6 mph6.8 mph6.6 mph
Max Speed - Reverse8.5 mph8.4 mph8.4 mph8.5 mph8.7 mph8.6 mph
Standard Blade
SpecificationD7R LGP Series IID7R WH LGP Series IID7R WH Series IID7R XR Series IID8ND8R WHA
Capacity7.7 yd316.1 yd318.4 yd39 yd311.4 yd326.2 yd3

More in Cat: 814, 814F: decelerator/front brakes/blade turning sweep, D7G LGP–D9H.