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CAT Track Type Tractors D3

The new Cat® D3 delivers superior performance and the broadest choice of technology features to help you get the most from your dozer. Nimble and responsive, it has power for dozing and ?nesse for grading. Fully hydrostatic transmission gives you seamless acceleration, so you can get the job done quickly. The load sensing system automatically optimizes ground speed based on load, for the greatest productivity and fuel efficiency.

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Overview

The new Cat® D3 delivers superior performance and the broadest choice of technology features to help you get the most from your dozer. Nimble and responsive, it has power for dozing and ?nesse for grading. Fully hydrostatic transmission gives you seamless acceleration, so you can get the job done quickly. The load sensing system automatically optimizes ground speed based on load, for the greatest productivity and fuel efficiency.

Engine

Note (2)
Engine equivalent to Tier 3 emission standards.
Note (1)
Net power is tested per ISO 9249:2007 and SAE J1349:2011 and as advertised is the power available at the ?ywheel when the engine is equipped with fan, air intake system, exhaust system and alternator.
Displacement
3.6 l
Net Power - 2,200 rpm - SAE J1349
77.6 kW
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
77.6 kW
Note (2)
For machine with ripper, add 554 kg (1,222 lb).
Note (1)
Specifications shown are for machine equipped with dozer blade, EROPS cab, back-up alarm, operator, coolant, lubricants and full fuel tank.

Engine 

Power Train 
Hydrostatic

Weights 

Operating Weight 
9362 kg

Weights

Operating Weight - LGP
9693 kg
Operating Weight - LGP, 762 mm/30 in
9893 kg
ROPS
ISO 3471:2008
FOPS
ISO 3449:2005 Level II

Transmission

Drive Pumps
1
Maximum travel speed - reverse
10 km/h
Relief Valve Settings
48500 kPa
Track Motors
2
Maximum travel speed - forward
9 km/h
Relief Valve Settings
20600 kPa

Undercarriage

Track Gauge - LGP, 762 mm (30 in)
1860 mm
Shoe Width - LGP
660 mm
Shoe Width - Standard
510 mm
Ground Pressure - LGP
31.2 kPa
Track Gauge - LGP
1750 mm
Length - Track on Ground - LGP
2310 mm
Number of Rollers - Each Side
7
Length - Track on Ground - LGP, 762 mm (30 in)
2310 mm
Ground Pressure - LGP, 762 mm (30 in)
27.2 kPa
Track Gauge
1600 mm
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage
40
Shoe Width - LGP, 762 mm (30 in)
762 mm
Track Gauge - LGP
1750 mm
Track Gauge - LGP, 762 mm (30 in)
1860 mm

Undercarriage 

Ground Pressure 
38.9 kPa
Length of Track on Ground 
2310 mm
Number of Shoes - Each Side - Abrasion Undercarriage 
36

Service Refill Capacities

Transmission - Hydraulic Tank
90 l
Fuel Tank
195 l
Crankcase - With Filter
10.5 l
Final Drive - Each - LGP
10 l
Cooling System
19 l

Service Refill Capacities 

Final Drives - Each Side 
10 l

Hydraulic Controls

Pump Output
65 l/min

Ripper

Type
Parallelogram
Number of Shanks
3
Height
165 mm
Maximum Ground Clearance Under Tip
448 mm
Maximum Reach - Ground Line
766 mm
Maximum Digging Depth
337.5 mm

Winch

Weight
554 kg
Overall Width
1710 mm
Weight
610 kg
Winch Drive
Hydrostatic
Control
Hydraulic
Speed
Variable
Drum Diameter
254 mm
Throat Clearance
171.5 mm
Maximum Line Pull - Full Drum
11340 kg
Winch Length
705 mm
Drum Capacity - Recommended Cable
113 m
Rope Diameter - Recommended
16 mm
Drum Capacity - Optional Cable
78 m
Overall Width
741 mm
Rope Diameter - Optional
19 mm
Maximum Line Speed - Bare Drum
40 m/min
Maximum Line Speed - Full Drum
63 m/min
Maximum Line Pull - Bare Drum
18144 kg
Drum Width
274 mm

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the ?uorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

Dimensions

Length - Basic Tractor - Without Blade - LGP
3270 mm
BLADE: Blade Width at Maximum Angle - Intermediate
2669 mm
BLADE: Digging Depth - LGP
572 mm
BLADE: Blade Height - LGP
1010 mm
BLADE: Blade Capacity (SAE) - LGP
2.34 m³
BLADE: Blade Lift Height - LGP
767 mm
Overall Length - With Blade - LGP
4309 mm
BLADE: Maximum Tilt - LGP
448 mm
BLADE: Blade Height - Intermediate
1010 mm
BLADE: Maximum Tilt - Intermediate
448 mm
BLADE: Blade Width - LGP
3220 mm
BLADE: Digging Depth - Intermediate
572 mm
Tractor Height - LGP, 762 mm (30 in)
2769 mm
BLADE: Maximum Angle (either side) - Intermediate
25°
Ground Clearance - LGP, 762 mm (30 in)
332 mm
Width - Tractor - Standard Shoes - No Blade - LGP
2360 mm
BLADE: Blade Capacity (SAE) - Intermediate
2.09 m³
BLADE: Maximum Angle (either side) - LGP
25°
BLADE: Blade Width - Intermediate
2921 mm
Tractor Height - LGP
2769 mm
BLADE: Blade Lift Height - Intermediate
767 mm
Ground Clearance - LGP
332 mm
Length - Basic Tractor - Without Blade - LGP, 762 mm (30 in)
3270 mm
BLADE: Blade Cutting Edge Angle, Adjustable - LGP
52° to 58°
Overall Length - With Blade - LGP, 762 mm (30 in)
4309 mm
Width - Tractor - Standard Shoes - No Blade - LGP (762 mm/30 in)
2630 mm
BLADE: Blade Width at Maximum Angle - LGP
2940 mm
BLADE: Blade Cutting Edge Angle, Adjustable - Intermediate
52° to 58°

Dimensions 

BLADE: Blade Width at Maximum Angle - Standard 
2636 mm
Length - Basic Tractor - Without Blade - Standard 
3270 mm
BLADE: Blade Cutting Edge Angle, Adjustable - Standard 
52° to 58°
BLADE: Maximum Angle (either side) - Standard 
25°
Note 
Abrasion Undercarriage
BLADE: Blade Height - Standard 
1073 mm
BLADE: Digging Depth - Standard 
586 mm
BLADE: Maximum Tilt - Standard 
402 mm
BLADE: Blade Capacity (SAE) - Standard 
2.19 m³
Overall Length - With Blade - Standard 
4337 mm
Track Gauge - Standard 
1600 mm
Width - Tractor - Standard Shoes - No Blade - Standard 
2110 mm
Tractor Height - Standard 
2769 mm
Ground Clearance - Standard 
332 mm
BLADE: Blade Width - Standard 
2782 mm
BLADE: Blade Lift Height - Standard 
767 mm

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