D3 Track-Type Tractor

The 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 finesse 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.

Specifications
Equipment
Product Brochures
Attachments
Units: US Metric
Engine
Engine Model
Cat® C3.6
Power - Net
104 HP
77.6 kW
Displacement
220 in³
3.6 l
Net Power - 2,200 rpm - SAE J1349
104 HP
77.6 kW
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
104 HP
77.6 kW
Note (1)
Net power is tested per ISO 9249:2007 and SAE J1349:2011 and as advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system and alternator.
Engine 
Power Train 
Hydrostatic
Engine
Note (2)
All non-road U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) and Korea Tier 4 Final diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm EPA/10 ppm EU (mg/kg) sulfur or less.
Weights
Operating Weight
20639.68 lb
9362 kg
Weights 
Operating Weight
20640 lb
9362 kg
Weights
Operating Weight - LGP
21369 lb
9693 kg
Operating Weight - LGP, 762 mm/30 in
21810 lb
9893 kg
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.
Cab
ROPS
ISO 3471:2008
FOPS
ISO 3449:2005 Level II
Transmission
Drive Pumps
1
Maximum Travel Speed - Forward
5.6 mile/h
9 km/h
Maximum Travel Speed - Reverse
6.2 mile/h
10 km/h
Track Motors
2
Relief Valve Settings
7033 psi
48500 kPa
Undercarriage
Shoe Width - Standard
20 in
510 mm
Ground Pressure - LGP
4.5 psi
31.2 kPa
Track Gauge - LGP
69 in
1750 mm
Length - Track on Ground - LGP
91 in
2310 mm
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage
40
Ground Pressure - LGP, 762 mm (30 in)
3.9 psi
27.2 kPa
Length - Track on Ground - LGP, 762 mm (30 in)
91 in
2310 mm
Shoe Width - LGP
26 in
660 mm
Shoe Width - LGP, 762 mm (30 in)
30 in
762 mm
Track Gauge
63 in
1600 mm
Number of Rollers - Each Side
7
Track Gauge - LGP, 762 mm (30 in)
73 in
1860 mm
Undercarriage 
Ground Pressure 
5.7 psi
38.9 kPa
Length of Track on Ground 
91 in
2310 mm
Number of Shoes - Each Side - Abrasion Undercarriage 
36
Service Refill Capacities
Cooling System
5 gal (US)
19 l
Final Drive - Each - LGP
2.6 gal (US)
10 l
Crankcase - With Filter
2.8 gal (US)
10.5 l
Diesel Exhaust Fluid (DEF) Tank
4.9 gal (US)
19 l
Transmission - Hydraulic Tank
23.8 gal (US)
90 l
Fuel Tank
51.5 gal (US)
195 l
Service Refill Capacities 
Final Drives - Each Side 
2.6 gal (US)
10 l
Hydraulic Controls
Pump Output
17.2 gal/min
65 l/min
Relief Valve Settings
2988 psi
20600 kPa
Ripper
Type
Parallelogram
Number of Shanks
3
Height
6.5 in
165 mm
Weight
1222 lb
554 kg
Maximum Digging Depth
13.3 in
337.5 mm
Maximum Reach - Ground Line
30.2 in
766 mm
Overall Width
67.3 in
1710 mm
Maximum Ground Clearance Under Tip
17.6 in
448 mm
Air Conditioning System
Air Conditioning
The air conditioning system on this machine contains the fluorinated 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
BLADE: Blade Width - LGP
126.7 in
3220 mm
Track Gauge - LGP, 762 mm (30 in)
73 in
1860 mm
BLADE: Digging Depth - LGP
23.2 in
590 mm
Track Gauge - LGP
67.9 in
1750 mm
BLADE: Blade Capacity (SAE) - LGP
3.06 yd³
2.34 m³
BLADE: Blade Width at Maximum Angle - LGP
115.8 in
2940 mm
BLADE: Blade Cutting Edge Angle, Adjustable - LGP
52° to 58°
Ground Clearance - LGP, 762 mm (30 in)
13 in
332 mm
BLADE: Blade Height - LGP
39.8 in
1010 mm
BLADE: Blade Lift Height - LGP
30.2 in
767 mm
Ground Clearance - LGP
13 in
332 mm
Overall Length - With Blade - LGP, 762 mm (30 in)
169.6 in
4309 mm
Overall Length - With Blade - LGP
169.6 in
4309 mm
BLADE: Maximum Tilt - LGP
17.7 in
448 mm
BLADE: Maximum Angle (either side) - LGP
25°
Dimensions 
BLADE: Blade Capacity (SAE) - Standard 
2.86 yd³
2.19 m³
Track Gauge - Standard 
63 in
1600 mm
BLADE: Digging Depth - Standard 
23.8 in
605 mm
BLADE: Blade Lift Height - Standard 
30.2 in
767 mm
Ground Clearance - Standard 
13 in
332 mm
Overall Length - With Blade - Standard 
170.7 in
4337 mm
BLADE: Blade Cutting Edge Angle, Adjustable - Standard 
52° to 58°
BLADE: Blade Height - Standard 
42.2 in
1073 mm
BLADE: Maximum Tilt - Standard 
15.8 in
402 mm
Note 
Abrasion Undercarriage
BLADE: Blade Width - Standard 
109.5 in
2782 mm
BLADE: Blade Width at Maximum Angle - Standard 
103.8 in
2636 mm
BLADE: Maximum Angle (either side) - Standard 
25°
Dimensions
Note
With Ripper Attachment (add to Length of Basic Dozer) - 1177 mm (46.3 in)
Length of Basic Dozer (without blade) - Standard
128.7 in
3270 mm
Dozer Height - Standard
109 in
2769 mm
Width of Dozer (standard shoes, no blade) - LGP
92.9 in
2360 mm
Width of Dozer (standard shoes, no blade) - LGP, 762 mm (30 in)
103.5 in
2630 mm
Length of Basic Dozer (without blade) - LGP
128.7 in
3270 mm
Dozer Height - LGP, 762 mm (30 in)
109 in
2769 mm
Width of Dozer (standard shoes, no blade) - Standard
83 in
2110 mm
Length of Basic Dozer (without blade) - LGP, 762 mm (30 in)
128.7 in
3270 mm
Dozer Height - LGP
109 in
2769 mm
Retrieval Winch
Maximum Line Pull - Bare Drum
32150 lb
14583 kg
Control
Hydraulic
Rope Diameter - Optional
0.75 in
19 mm
Drum Capacity - Optional Cable
195 ft
59 m
Maximum Line Speed - Full Drum
79 ft/min
24 m/min
Drum Capacity - Recommended Cable
277 ft
84 m
Winch Drive
Hydraulic
Weight
1747 lb
794 kg
Maximum Line Pull - Full Drum
20350 lb
9231 kg
Rope Diameter - Recommended
0.63 in
16 mm
Maximum Line Speed - Bare Drum
50 ft/min
15 m/min
Speed
Variable
Winch Length
35.63 in
905 mm
Drum Diameter
8 in
203.2 mm
Overall width
27.91 in
709 mm
Drum Width
9.65 in
245 mm
Throat Clearance
5.6 in
141.4 mm
High Performance Winch
Winch length
27.76 in
705 mm
Rope diameter – optional
0.75 in
19 mm
Maximum line speed – bare drum
131 ft/min
40 m/min
Maximum line pull – bare drum
40000 lb
18144 kg
Weight
1345 lb
610 kg
Drum capacity – optional
256 ft
78 m
Maximum line speed – full drum
207 ft/min
63 m/min
Rope diameter – recommended
0.63 in
16 mm
Winch drive
Hydrostatic
Throat clearance
6.75 in
171.5 mm
Drum diameter
10 in
254 mm
Overall width
29.2 in
741 mm
Drum width
10.8 in
274 mm
Maximum line pull – full drum
25000 lb
11340 kg
Speed
Variable
Drum capacity – recommended cable
371 ft
113 m
Control
Hydraulic
Standard Equipment
POWER TRAIN
ELECTRICAL
UNDERCARRIAGE
HYDRAULIC
CAT TECHNOLOGY
OPERATOR ENVIRONMENT