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D3K2 Track-Type Tractor

Overview

Experience the best finish grading tractors in the industry. The Cat® D3K2, D4K2 and D5K2 Track-Type Tractors deliver superior performance and comfort with lower operating costs.

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Grade with ease and accuracy

The D3K2 Dozer offers numerous grade control features to enable operators to grade with increased accuracy. Features such as Cat® GRADE with 3D, Cat GRADE with Slope Assist, AccuGrade and Slope Indicate allows for a smooth finish grade for both new and experienced operators every time.

Choices for any Application

All Day Comfort

Easy Serviceability Access

Grade with ease and accuracy

Choices for any Application

The family of Small Dozers offers a choice of both track frames and undercarriages.

Track frames are available in two configurations:

• XL undercarriage - where flotation and side stability are not extreme
• LGP undercarriage - for soft underfoot conditions where additional flotation is required

Undercarriages are available in two configurations:

• Sealed and Lubricated Track (SALT) Undercarriage
– Track is not bushing limited
– May require pin and bushing turn

• SystemOne™ Undercarriage
– Track is bushing limited
– Bushing rotates continuously
– Does not require bushing turn
– Designed to maximize the life of all undercarriage components

All Day Comfort

The spacious, comfortable cab helps keep you relaxed and productive throughout the day.
• Quiet environment
• Wide door openings for easy entry/exit
• Dash mounted air vents for improved air circulation
• Air suspension seat for a more comfortable ride
• Air conditioning for greater comfort in all climates
• New ventilated seat (optional)
• Heated seat and heated control handles (optional)

Easy Serviceability Access

Long service intervals and easy maintenance keep the machine up and running to lower your owning and operating costs.
• Large, hinged door on the left side of the engine compartment for easy access to all regular engine maintenance points
• Grouped pressure taps for quick testing and troubleshooting of the hydraulic system
• Easy ground level access to hydraulic filters located in the left rear service compartment

Dimensions

Length - Basic Tractor - Without Blade - XL: 128.9in
Track Gauge - LGP: 67.9in
BLADE: Blade Height - XL: 35.8in
Ground Clearance - LGP, 762 mm (30 in): 13in
BLADE: Maximum Angle (either side) - LGP: 25°
Width - Tractor - Standard Shoes - No Blade - XL: 74.8in
BLADE: Blade Cutting Edge Angle, Adjustable - LGP: 52° to 58°
BLADE: Maximum Tilt - Intermediate: 17.7in
Length - Basic Tractor - Without Blade - LGP, 762 mm (30 in): 128.9in
BLADE: Blade Height - LGP: 33.8in
BLADE: Maximum Tilt - LGP: 17.2in
Ground Clearance - XL: 13in
Tractor Height - XL: 108.8in
BLADE: Blade Width at Maximum Angle - XL: 95.2in
Overall Length - With Blade - LGP, 762 mm (30 in): 167.6in
Overall Length - With Blade - LGP: 167.6in
Overall Length - With Blade - XL: 168in
Length - Basic Tractor - Without Blade - LGP: 128.9in
BLADE: Maximum Tilt - XL: 14.5in
Tractor Height - LGP: 108.8in
BLADE: Blade Width - Intermediate: 115in
Width - Tractor - Standard Shoes - No Blade - LGP: 92.9in
BLADE: Blade Width - XL: 104.2in
Width - Tractor - Standard Shoes - No Blade - LGP (762 mm/30 in): 94.9in
BLADE: Blade Width at Maximum Angle - Intermediate: 105.1in
BLADE: Digging Depth - Intermediate: 22.5in
BLADE: Maximum Angle (either side) - Intermediate: 25°
Tractor Height - LGP, 762 mm (30 in): 108.8in
BLADE: Blade Lift Height - XL: 28.7in
BLADE: Blade Capacity (SAE) - Intermediate: 1.96yd³
Ground Clearance - LGP: 13in
BLADE: Blade Lift Height - Intermediate: 29.3in
BLADE: Blade Width - LGP: 124in
BLADE: Blade Height - Intermediate: 33.9in
BLADE: Blade Cutting Edge Angle, Adjustable - Intermediate: 52° to 58°
BLADE: Blade Lift Height - LGP: 28.7in
BLADE: Blade Cutting Edge Angle, Adjustable - XL: 52° to 58°
BLADE: Blade Width at Maximum Angle - LGP: 113.1in
Track Gauge - LGP, 762 mm (30 in): 73in
BLADE: Maximum Angle (either side) - XL: 25°
BLADE: Digging Depth - XL: 22.5in
BLADE: Blade Capacity (SAE) - LGP: 2.17yd³
BLADE: Blade Capacity (SAE) - XL: 1.99yd³
Track Gauge - XL: 58.9in
BLADE: Digging Depth - LGP: 22.5in

Weights

Operating Weight - LGP, 762 mm/30 in: 18896lb
Operating Weight - LGP: 18442lb
Operating Weight - XL: 17465lb
Note (2): Enclosed cab adds 225 kg (495 lb).
Note (1): Specifications shown are for machine equipped with dozer blade, canopy ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank.

Winch

Drum Capacity - Optional Cable: 256ft
Maximum Line Speed - Full Drum: 207ft/min
Drum Diameter: 10in
Winch Length: 27.76in
Maximum Line Speed - Bare Drum: 131ft/min
Drum Width: 10.8in
Rope Diameter - Optional: 0.75in
Rope Diameter - Recommended: 0.63in
Overall Width: 29.2in
Drum Capacity - Recommended Cable: 371ft
Maximum Line Pull - Bare Drum: 40000lb
Throat Clearance: 6.75in
Speed: Variable
Maximum Line Pull - Full Drum: 25000lb
Control: Hydraulic
Winch Drive: Hydrostatic
Weight: 1345lb

Ripper

Maximum Digging Depth: 13.3in
Overall Width: 67.3in
Maximum Reach - Ground Line: 30.2in
Maximum Ground Clearance Under Tip: 17.6in
Weight: 1222lb
Height: 6.5in
Type: Parallelogram
Number of Shanks: 3

Undercarriage

Ground Contact Area - XL: 2829in²
Track Gauge - LGP, 762 mm (30 in): 73in
Ground Pressure - LGP, 762 mm (30 in): 3.6psi
Ground Pressure - LGP: 4.2psi
Ground Pressure - XL: 6.2psi
Track Gauge - XL: 59in
Shoe Width - LGP: 25in
Shoe Width - XL: 16in
Length - Track on Ground - XL: 89in
Ground Contact Area - LGP: 4425in²
Ground Contact Area - LGP, 762 mm (30 in): 5340in²
Track Gauge - LGP: 68in
Length - Track on Ground - LGP: 89in
Number of Rollers - Each Side: 6
Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage: 43
Length - Track on Ground - LGP, 762 mm (30 in): 89in
Number of Shoes - Each Side - SystemOne Undercarriage: 38
Shoe Width - LGP, 762 mm (30 in): 30in

Hydraulic Controls

Pump Output: 17.7gal/min
Relief Valve Settings: 2988psi

Service Refill Capacities

Fuel Tank: 51.5gal (US)
Final Drive - Each - XL: 2.6gal (US)
Crankcase - With Filter: 2.91gal (US)
Transmission - Hydraulic Tank: 15.7gal (US)
Final Drive - Each - LGP: 2.6gal (US)
Cooling System: 5.92gal (US)
Diesel Exhaust Fluid (DEF) Tank: 4.9gal (US)

Transmission

Maximum Travel Speed - Forward: 5.6mile/h
Relief Valve Settings: 7033psi
Maximum Travel Speed - Reverse: 6.2mile/h
Track Motors: 2
Drive Pumps: 1

Engine

Note: Engine meets U.S. EPA Tier 4 Final emission standards.
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269: 80HP
Net Power - 2,200 rpm - SAE J1349: 80HP
Stroke: 5in
Bore: 4.13in
Displacement: 269in³
Power - Net: 80HP
Engine Model: Cat C4.4

Cab

ROPS: ISO 3471:2008
FOPS: ISO 3449:2005 Level II
Sound Levels - SAE J1166 FEB2008: 79dB(A)
Sound Levels - ISO 6396:2008: 79dB(A)

Standard/Optional Features

Standard Equipment:

Electrical
- Alternator, 12 volt, 120 Amp, heavy duty brushless
- Alarm, backup
- Batteries (2), heavy duty, maintenance free, 1,500 CCA
- Diagnostic connector
- Horn, electric
- Lights, halogen, 2 front and 2 rear
- Starter, electric, 12 volt
Operator Station
- ROPS/FOPS canopy
- Seat, air suspended, cloth or vinyl
- Seatbelt, retractable 76 mm (3 in)
- Foot pads, dash
- Electronic Monitoring System with:
  – Gauges for engine coolant temperature, hydraulic oil temperature and fuel level
  – Travel speed limiter, electronic
  – Engine RPM and gear display
  – Hour meter, electric
  – Engine air cleaner service indicator, electronic
  – Water-in-fuel indicator, electronic
- Slope Indicate
- Throttle switch, rotary
- Eco mode
- Controls, seat mounted, fore/aft adjustment
- Armrests, adjustable
- Mirror, rearview, inside
- Single pedal combining deceleration and braking functions
- Independent forward/reverse speed settings
- Power port, 12 volt
- Coat hook
- Storage compartment
- Cup holder
- Floor mat, rubber, heavy duty
Hydraulics
- Hydraulics, 3 valve
- Load sensing hydraulics
- Single lever, three function control
- Hydraulic pump and oil
- Stable blade control
Power Train
- Cat^® C4.4 diesel engine, turbocharged, U.S. EPA Tier 4 Final certified with aftertreatment
- Aftercooler, Air-to-Air (ATAAC)
- Aluminum bar plate cooling system (radiator, power train)
- Air cleaner with precleaner, automatic dust ejection and under-hood intake
- Dual path, closed-loop hydrostatic transmission
- Electric fuel priming pump
- Fuel/water separator
- Automatic Traction Control
Undercarriage
- SALT Undercarriage
- 6 roller track frame
- Track rollers, lifetime lubricated
- Carrier rollers
- Track adjusters, hydraulic
- Guards, front/rear guiding
- Master link
Other Standard Equipment
- Cat Product Link^™ PLE732 Satellite/PLE742 Cellular
- C-Frame, VPAT, hydraulic cylinders and lines
- Lockable engine enclosures
- Front pull device
- Rigid drawbar
- Ecology drains (engine, power train and implement oil and engine coolant)
- Scheduled oil sampling ports (engine, power train implement oil)
- Vandalism protection
- Heavy duty crankcase guard
Antifreeze
- Extended life coolant, –37° C (–35° F)

Optional Equipment:

Electrical
- Integrated four front halogen lights, two rear halogen lights
Power Train
- Drive, auxiliary
- Installation, winch
Undercarriage
- Track Pairs, XL:
  – Track, 406 mm (16 in) MS SystemOne
- Track Pairs, LGP:
  – Track, 635 mm (25 in) MS SystemOne
  – Track, 762 mm (30 in) MS SystemOne
Operator Station
- Cab with air conditioning
- Cab, polycarbonate windows and air conditioning
- Seat, air suspension, choice of:
  – Vinyl, heated seat with heated controls
  – Cloth, heated seat with heated controls
  – Cloth, heated and ventilated seat with heated controls
- Radio, AM/FM, Bluetooth
- Sound suppression
Hydraulics
- Hydraulics, 4 valve for use with ripper
- Hydraulics, 4 valve for use with winch
Guards
- Guard, rear, heavy duty
- Grill, radiator, heavy duty
- Guard, track guiding, center
- Guard, track roller, full length
- Screen, rear, cab
- Screen, side, cab
- Screen, rear, canopy
- Screen, front and doors, canopy
- Sweeps, front
- Sweeps, rear
Blades
- VPAT XL blade
- VPAT LGP blade
- VPAT Intermediate blade
Rear Attachments
- Drawbar, towing
- Mounting, winch
- Ripper, parallelogram, includes three shanks and teeth
Rear Attachment Control
- Control, ripper
- Control, winch
- Control, ripper and winch
Machine Control And Guidance
- Cat GRADE with 3D
- Cat GRADE with Slope Assist
- Power Pitch blade control
Starting Aids
- Heater, engine, coolant, 120 volt
- Starting aid, ether
Other Attachments
- Machine Security System
Antifreeze
- Extended life coolant, –50° C (–58° F)
Field Installed Attachment
- Winch, hydraulic, high performance, 40 m/min (131 ft/min) line speed
- Winch, hydraulic retrieval, 15 m/min (50 ft/min) line speed