The Cat® D3K Track-Type Tractor delivers superior performance and comfort while reducing your operating costs. The large spacious cab provides a comfortable work area. Intuitive seat-mounted controls are easy to use for greater job accuracy and efficiency. The innovative SystemOne undercarriage reduces maintenance time and costs - significantly impacting your bottom line. The AccuGrade Laser and GPS Systems help you get to grade faster, with fewer passes and less manpower. From first cut to finish grade, the D3K sets the standard.
D3K Track-Type Tractor
Overview & Specifications
Engine
Engine Model
CAT C4.4 ACERT™
CAT C4.4 ACERT™
Power - Net
74 hp
55.2 kW
Power - Gross
81 hp
60.5 kW
Displacement
269 in3
4400 cm3
Caterpillar
74 hp
55.2 kW
ISO 9249
74 hp
55.2 kW
EEC 80/1269
74 hp
55.2 kW
SAE J1349
74 hp
55.2 kW
Bore
4.13 in
105 mm
Stroke
5 in
127 mm
Transmission
Drive Pumps
2
2
Track motors
2
2
Relief valve settings
6911 psi
47650 kPa
Maximum travel speed - forward
5.6 mph
9 km/h
Maximum travel speed - reverse
6.2 mph
10 km/h
Weights
Operating Weight - XL
17185 lb
7795 kg
Operating Weight - LGP
17842 lb
8093 kg
Service Refill Capacities
Fuel tank
51.5 gal
195 L
Crankcase and filter
2.91 gal
11 L
Final drives, XL (each side)
2.6 gal
10 L
Final drives, LGP (each side)
2.6 gal
10 L
Cooling system
5.92 gal
22.4 L
Transmission/hydraulic tank
15.7 gal
59.5 L
Hydraulic Controls
Pump Output
19.4 gal/min
73.5 L/min
Relief valve setting
2988 psi
20600 kPa
Final Drive
Features
null
Steering and Braking
Features
null
Undercarriage
Shoe width - XL
16 in
406 mm
Shoe width - LGP
25 in
635 mm
Length of track on ground - XL
83 in
2095 mm
Length of track on ground - LGP
83 in
2095 mm
Track gauge - XL
59 in
1495 mm
Track gauge - LGP
68 in
1725 mm
Ground contact area - XL
2637 in2
17011 cm2
Ground contact area - LGP
4124 in2
26607 cm2
Ground pressure - XL
6.5 psi
44.8 kPa
Ground pressure - LGP
4.3 psi
29.7 kPa
Ripper
Type
Parallelogram
Parallelogram
Number of Shanks
3
3
Maximum digging depth
13.3 in
337.5 mm
Maximum reach at ground line
30.2 in
766 mm
Maximum ground clearance under tip
17.6 in
448 mm
Overall width
67.3 in
1710 mm
Height
6.5 in
165 mm
Weight
1222 lb
554 kg
Winch
Weight
1345 lb
610 kg
Winch Drive
Hydrostatic
Hydrostatic
Control
Hydraulic
Hydraulic
Speed
Variable
Variable
Winch length
27.76 in
705 mm
Overall width
29.2 in
741 mm
Drum diameter
10 in
254 mm
Drum width
10.8 in
274 mm
Throat clearance
6.75 in
171.5 mm
Rope diameter - recommended
0.63 in
16 mm
Rope diameter - optional
0.75 in
19 mm
Drum capacity - recommended cable
371 ft
113 m
Drum capacity - optional cable
256 ft
78 m
Maximum line pull - bare drum
40000 lb
18144 kg
Maximum line pull - full drum
25000 lb
11340 kg
Maximum line speed - bare drum
131 ft/min
40 m/min
Maximum line speed - full drum
207 ft/min
63 m/min
Standards
ROPS
SAE J397-OCT95, SAE J1040-MAY94, ISO 3471-94, ISO 3164-95
SAE J397-OCT95, SAE J1040-MAY94, ISO 3471-94, ISO 3164-95
United States / Canada [change]
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