The Cat D3 offers superior performance and the widest range of technology features to ensure you get the most out of your dozer.
It is responsive and agile, and has the power to doze and the finesse to grade. You can achieve seamless acceleration with fully hydrostatic transmission.
Load sensing automatically optimizes ground speed according to load for maximum productivity and fuel economy.
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Caterpillar D3 Specification
ENGINE
| Engine Model | Cat C3.6 |
| Power – Net | 104 HP |
| Displacement | 220 in³ |
| Net Power – 2,200 rpm – SAE J1349 | 104 HP |
| Net Power – 2,200 rpm – ISO 9249/EEC 80/1269 | 104 HP |
WEIGHTS
| Operating Weight | 20639.68 lb |
| Operating Weight – LGP | 21369 lb |
| Operating Weight – LGP, 762 mm/30 in | 21810 lb |
| Note (2) | For machine with ripper, add 554 kg (1,222 lb). |
CAB
| ROPS | ISO 3471:2008 |
| FOPS | ISO 3449:2005 Level II |
TRANSMISSION
| Drive Pumps | 1 |
| Maximum Travel Speed – Forward | 5.6 mile/h |
| Maximum Travel Speed – Reverse | 6.2 mile/h |
| Track Motors | 2 |
| Relief Valve Settings | 7033 psi |
UNDERCARRIAGE
| Shoe Width – Standard | 20 in |
| Ground Pressure – LGP | 4.5 psi |
| Track Gauge – LGP | 69 in |
| Length – Track on Ground – LGP | 91 in |
| Number of Shoes – Each Side – Sealed and Lubricated Track (SALT) Undercarriage | 40 |
| Ground Pressure – LGP, 762 mm (30 in) | 3.9 psi |
| Length – Track on Ground – LGP, 762 mm (30 in) | 91 in |
| Shoe Width – LGP | 26 in |
| Shoe Width – LGP, 762 mm (30 in) | 30 in |
| Track Gauge | 63 in |
| Number of Rollers – Each Side | 7 |
| Track Gauge – LGP, 762 mm (30 in) | 73 in |
SERVICE REFILL CAPACITIES
| Cooling System | 5 gal (US) |
| Final Drive – Each – LGP | 2.6 gal (US) |
| Crankcase – With Filter | 2.8 gal (US) |
| Diesel Exhaust Fluid (DEF) Tank | 4.9 gal (US) |
| Transmission – Hydraulic Tank | 23.8 gal (US) |
| Fuel Tank | 51.5 gal (US) |
SERVICE REFILL CAPACITIES
| Final Drives – Each Side | 2.6 gal (US) |
HYDRAULIC CONTROLS
| Pump Output | 17.2 gal/min |
| Relief Valve Settings | 2988 psi |
RIPPER
| Type | Parallelogram |
| Number of Shanks | 3 |
| Height | 6.5 in |
| Weight | 1222 lb |
| Maximum Digging Depth | 13.3 in |
| Maximum Reach – Ground Line | 30.2 in |
| Overall Width | 67.3 in |
| Maximum Ground Clearance Under Tip | 17.6 in |
WINCH
| Weight | 1345 lb |
| Winch Drive | Hydrostatic |
| Control | Hydraulic |
| Speed | Variable |
| Maximum Line Pull – Full Drum | 25000 lb |
| Throat Clearance | 6.75 in |
| Rope Diameter – Recommended | 0.63 in |
| Overall Width | 29.2 in |
| Maximum Line Speed – Full Drum | 207 ft/min |
| Rope Diameter – Optional | 0.75 in |
| Maximum Line Pull – Bare Drum | 40000 lb |
| Drum Capacity – Optional Cable | 256 ft |
| Winch Length | 27.76 in |
| Drum Width | 10.8 in |
| Maximum Line Speed – Bare Drum | 131 ft/min |
| Drum Capacity – Recommended Cable | 371 ft |
| Drum Diameter | 10 in |
DIMENSIONS
| BLADE: Blade Width – LGP | 126.7 in |
| Track Gauge – LGP, 762 mm (30 in) | 73 in |
| BLADE: Digging Depth – LGP | 23.2 in |
| Track Gauge – LGP | 67.9 in |
| BLADE: Blade Capacity (SAE) – LGP | 3.06 yd³ |
| BLADE: Blade Width at Maximum Angle – LGP | 115.8 in |
| BLADE: Blade Cutting Edge Angle, Adjustable – LGP | 52° to 58° |
| Ground Clearance – LGP, 762 mm (30 in) | 13 in |
| BLADE: Blade Height – LGP | 39.8 in |
| BLADE: Blade Lift Height – LGP | 30.2 in |
| Ground Clearance – LGP | 13 in |
| Overall Length – With Blade – LGP, 762 mm (30 in) | 169.6 in |
| Overall Length – With Blade – LGP | 169.6 in |
| BLADE: Maximum Tilt – LGP | 17.7 in |
| BLADE: Maximum Angle (either side) – LGP | 25° |
| 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 |
| Dozer Height – Standard | 109 in |
| Width of Dozer (standard shoes, no blade) – LGP | 92.9 in |
| Width of Dozer (standard shoes, no blade) – LGP, 762 mm (30 in) | 103.5 in |
| Length of Basic Dozer (without blade) – LGP | 128.7 in |
| Dozer Height – LGP, 762 mm (30 in) | 109 in |
| Width of Dozer (standard shoes, no blade) – Standard | 83 in |
| Length of Basic Dozer (without blade) – LGP, 762 mm (30 in) | 128.7 in |
| Dozer Height – LGP | 109 in |
Caterpillar D3 Standard Equipment
POWER TRAIN
- Automatic traction control
- Cat C3.6 diesel engine
- Drive, auxiliary
- Electric fuel pump
- Fuel/water separator
- Turbocharged aftercooled
Caterpillar D3 Optional Equipment
UNDERCARRIAGE
- Abrasion undercarriage (36 section)
- Track Pairs
– Track, 510 mm (20 in)
– Track, 660 mm (26 in)
– Track, 762 mm (30 in)
ATTACHMENTS
- Drawbar, towing
- Machine security system
- Mounting, winch
- Ripper, parallelogram, includes three shanks and teeth
- Winch, hydraulic, high performance
- Winch, hydraulic, retrieval
Final Words
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Caterpillar D3 FAQ
What is a cat D3?
The Cat D3 offers superior performance and the widest range of technology features to ensure you get the most out of your dozer.
It is responsive and agile, and has the power to doze and the finesse to grade. You can speed up with seamless acceleration thanks to the fully hydrostatic transmission.
How much horsepower does a D3 dozer have?
The net power ratings of the new Cat small dozers are the same as those of their predecessors.
The D1 produces 80 horsepower (59.7kW), the D2 92 horses (68.8kW), and the D3 has 104 horsepower (77.6kW).
How big is a D3?
D3 covers a broad range of schools. The largest D3 school has more than 25,000 undergraduates, while the smallest school has just over 400
