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Caterpillar

D7R II

Crawler Dozer

Max Speed - Forward
6.6 mph
Gross Power
258.0 hp
Net Power
240.0 hp
All crawler dozers
Caterpillar D7R II Crawler Dozer
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Specifications

83 data points

Operating Specifications

Operating Specifications specifications
Fuel Capacity126.5 gal
Cooling System Fluid Capacity20.4 gal
Final Drives Fluid Capacity3.4 gal
Engine Oil Capacity8.2 gal
Operating Voltage24 V
Alternator Supplied Amperage95 A

Engine

Engine specifications
Displacement629 in³
Power Measured @2,100 rpm
Gross Power258.0 hp
Net Power240.0 hp
Number of Cylinders6
MakeCat
Bore5 in
Stroke6 in
Net Power - ISO 9249240.0 hp
Net Power - SAE J1349238.0 hp
Flywheel Power240.0 hp
Maximum Flywheel Power258.0 hp
Net Power - EU 80/1269240.0 hp
Net Power - Caterpillar240.0 hp

Hydraulic System

Hydraulic System specifications
Pump Flow Capacity47.6 gal/min
Relief Valve Pressure3,307 psi

Dimensions

Dimensions specifications
Ground Clearance17 in
Height - Top of Cab133 in
Length of Track on Ground113 in
Width Over Tracks101 in
Length w/ Blade224 in
Length w/o Blade186 in
Track Gauge78 in
Length - Track on Ground113 in
Drawbar Height (Center of Clevis) from Ground Face of Shoes25 in

Transmission

Transmission specifications
Max Speed - Forward6.6 mph
Max Speed - Reverse8.5 mph
Transmission TypeHydrostatic
Number of Forward Gears3
Number of Reverse Gears3
2 Forward3.8 mph
3 Forward6.6 mph
2 Reverse4.9 mph
3 Reverse8.5 mph
1 Forward2.2 mph
1 Reverse2.9 mph

Undercarriage

Undercarriage specifications
Track Gauge78 in
Number of Track Rollers per Side7
Number of Shoes per Side40
Standard Shoe Size22 in
Ground Contact Area5,016 in³
Track Pitch9 in
Ground Clearance17 in
Grouser Height3 in

Service Refill Capacities

Service Refill Capacities specifications
Fuel Tank126.5 gal
Cooling System20.4 gal
Final Drive - Each3.4 gal
Engine Crankcase8.2 gal
Power Train47.0 gal
Pivot Shaft Compartment0.5 gal
Roller Frames - Each6.5 gal

Standard Blade

Standard Blade specifications
Width145 in
Height60 in
Capacity9.00 yd³

Ripper

Ripper specifications
Ripper TypeAdjustable Parallelogram
Number of Pockets3
Overall Beam Width87 in
Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole30 in
Maximum Penetration29 in
Beam Cross Section343 x 279 mm 13.5 x 11 in
Weight - Each Additional Shank330 lb
Pry-Out Force38,513 lb
Maximum Penetration Force19,100 lb
Weight - With One Shank7,431 lb

Winch

Winch specifications
Drum Diameter13 in
Drum Width13 in
Weight4,176 lb
Flange Diameter24 in
Oil Capacity4.0 gal
Winch and Bracket Length58 in
Winch Case - Width46 in
Increased Tractor Length - STD29 in
Drum Capacity - 29 mm (1.13 in)3,312 in
Ferrule Size (O.D. Length)2.38 in x 2.56 in / 60 mm x 65 mm
Increased Tractor Length - LGP29 in

Hydraulic Controls - Pump

Hydraulic Controls - Pump specifications
Ripper Cylinder Flow47.6 gal/min
Tilt Cylinder Flow21.1 gal/min

Comparable machines

Other crawler dozers in a similar weight class.