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.
Specifications
| Engine Model | Cat C4.4 |
| Power - Net | — |
| Operating Weight - XL | — |
Benefits & Features
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
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)
Specifications
| Engine Model | Cat C4.4 |
| Power - Net | — |
| Displacement | — |
| Bore | — |
| Stroke | — |
| Net Power - 2,200 rpm - SAE J1349 | — |
| Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 | — |
| Note | Engine meets U.S. EPA Tier 4 Final emission standards. |
| Drive Pumps | 1 |
| Maximum Travel Speed - Reverse | — |
| Track Motors | 2 |
| Relief Valve Settings | — |
| Maximum Travel Speed - Forward | — |
| Operating Weight - XL | — |
| Operating Weight - LGP | — |
| Operating Weight - LGP, 762 mm/30 in | — |
| Note (1) | Specifications shown are for machine equipped with dozer blade, canopy ROPS, back-up alarm, operator, coolant, lubricants and full fuel tank. |
| Note (2) | Enclosed cab adds 225 kg (495 lb). |
| Cooling System | — |
| Final Drive - Each - LGP | — |
| Transmission - Hydraulic Tank | — |
| Crankcase - With Filter | — |
| Final Drive - Each - XL | — |
| Fuel Tank | — |
| Diesel Exhaust Fluid (DEF) Tank | — |
| Pump Output | — |
| Relief Valve Settings | — |
| Length - Track on Ground - LGP | — |
| Track Gauge - LGP | — |
| Ground Contact Area - LGP, 762 mm (30 in) | — |
| Ground Contact Area - LGP | — |
| Length - Track on Ground - XL | — |
| Shoe Width - XL | — |
| Track Gauge - XL | — |
| Shoe Width - LGP | — |
| Ground Pressure - XL | — |
| Ground Pressure - LGP | — |
| Ground Pressure - LGP, 762 mm (30 in) | — |
| Track Gauge - LGP, 762 mm (30 in) | — |
| Ground Contact Area - XL | — |
| Shoe Width - LGP, 762 mm (30 in) | — |
| Number of Shoes - Each Side - SystemOne Undercarriage | 38 |
| Length - Track on Ground - LGP, 762 mm (30 in) | — |
| Number of Shoes - Each Side - Sealed and Lubricated Track (SALT) Undercarriage | 43 |
| Number of Rollers - Each Side | 6 |
| Type | Parallelogram |
| Number of Shanks | 3 |
| Height | — |
| Weight | — |
| Maximum Ground Clearance Under Tip | — |
| Maximum Reach - Ground Line | — |
| Overall Width | — |
| Maximum Digging Depth | — |
| Weight | — |
| Winch Drive | Hydrostatic |
| Control | Hydraulic |
| Speed | Variable |
| Maximum Line Pull - Full Drum | — |
| Throat Clearance | — |
| Maximum Line Pull - Bare Drum | — |
| Overall Width | — |
| Drum Capacity - Recommended Cable | — |
| Rope Diameter - Recommended | — |
| Rope Diameter - Optional | — |
| Drum Width | — |
| Maximum Line Speed - Bare Drum | — |
| Winch Length | — |
| Drum Diameter | — |
| Maximum Line Speed - Full Drum | — |
| Drum Capacity - Optional Cable | — |
| Length - Basic Tractor - Without Blade - XL | — |
| BLADE: Blade Capacity (SAE) - LGP | — |
| BLADE: Blade Capacity (SAE) - XL | — |
| Track Gauge - XL | — |
| BLADE: Digging Depth - LGP | — |
| BLADE: Digging Depth - XL | — |
| BLADE: Maximum Angle (either side) - XL | 25° |
| Track Gauge - LGP, 762 mm (30 in) | — |
| BLADE: Blade Width at Maximum Angle - LGP | — |
| BLADE: Blade Cutting Edge Angle, Adjustable - XL | 52° to 58° |
| BLADE: Blade Lift Height - LGP | — |
| BLADE: Blade Cutting Edge Angle, Adjustable - Intermediate | 52° to 58° |
| BLADE: Blade Height - Intermediate | — |
| BLADE: Blade Width - LGP | — |
| BLADE: Blade Lift Height - Intermediate | — |
| Ground Clearance - LGP | — |
| BLADE: Blade Capacity (SAE) - Intermediate | — |
| BLADE: Blade Lift Height - XL | — |
| Tractor Height - LGP, 762 mm (30 in) | — |
| BLADE: Maximum Angle (either side) - Intermediate | 25° |
| BLADE: Digging Depth - Intermediate | — |
| BLADE: Blade Width at Maximum Angle - Intermediate | — |
| Width - Tractor - Standard Shoes - No Blade - LGP (762 mm/30 in) | — |
| BLADE: Blade Width - XL | — |
| Width - Tractor - Standard Shoes - No Blade - LGP | — |
| BLADE: Blade Width - Intermediate | — |
| Tractor Height - LGP | — |
| BLADE: Maximum Tilt - XL | — |
| Length - Basic Tractor - Without Blade - LGP | — |
| Overall Length - With Blade - XL | — |
| Overall Length - With Blade - LGP, 762 mm (30 in) | — |
| Overall Length - With Blade - LGP | — |
| BLADE: Blade Width at Maximum Angle - XL | — |
| Tractor Height - XL | — |
| Ground Clearance - XL | — |
| BLADE: Maximum Tilt - LGP | — |
| BLADE: Blade Height - LGP | — |
| Length - Basic Tractor - Without Blade - LGP, 762 mm (30 in) | — |
| BLADE: Maximum Tilt - Intermediate | — |
| BLADE: Blade Cutting Edge Angle, Adjustable - LGP | 52° to 58° |
| Width - Tractor - Standard Shoes - No Blade - XL | — |
| BLADE: Maximum Angle (either side) - LGP | 25° |
| Ground Clearance - LGP, 762 mm (30 in) | — |
| BLADE: Blade Height - XL | — |
| Track Gauge - LGP | — |
| Sound Levels - ISO 6396:2008 | — |
| Sound Levels - SAE J1166 FEB2008 | — |
| FOPS | ISO 3449:2005 Level II |
| ROPS | ISO 3471:2008 |
Benefits & Features
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
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
Data not available.
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:<br>– Gauges for engine coolant temperature, hydraulic oil temperature and fuel level<br>– Travel speed limiter, electronic<br>– Engine RPM and gear display<br>– Hour meter, electric<br>– Engine air cleaner service indicator, electronic<br>– 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:<br>– Track, 406 mm (16 in) MS SystemOne
- Track Pairs, LGP:<br>– Track, 635 mm (25 in) MS SystemOne<br>– Track, 762 mm (30 in) MS SystemOne
- OPERATOR STATION
- Cab with air conditioning
- Cab, polycarbonate windows and air conditioning
- Seat, air suspension, choice of:<br>– Vinyl, heated seat with heated controls<br>– Cloth, heated seat with heated controls<br>– 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
Related Products
Equipment Management
Cat® Equipment Management gives you access to the data you need to keep your equipment on the job site and earning money. You can track equipment location and hours, monitor machine use and health, then take informed action that will keep your operation running smoothly, efficiently and profitably.
| Model |
|---|
| Cat App |
| My.Cat.Com |
