Caterpillar D9 Crawler Dozer Specs

Category: Crawler Dozers ➔
Manufacturer: Caterpillar ➔
Model: D9 ➔

The Caterpillar D9 is a heavy-duty crawler dozer used in earthmoving, mining, land clearing, and large-scale construction. Built by Caterpillar, the D9 is known for its high drawbar pull, durable undercarriage, and ability to move large volumes of material in demanding conditions. It is typically equipped with a large diesel engine, power shift transmission, and a straight or semi-U blade for grading and pushing applications. The D9 has been produced in multiple generations and configurations, including military and industrial variants. It remains a widely recognized model in the crawler dozer category for high-production dozing and site preparation.

General Specifications

Caterpillar D9 Crawler Dozer General Specifications specifications
Engine Power	452.00 hp (337.06 kw) — Starting 2024 Model Year
Engine Type	Cat C18 — Starting 2024 Model Year
Weight	110,225.00 lbs (49,997.28 kg) — Starting 2024 Model Year

Air Conditioning System

Caterpillar D9 Crawler Dozer Air Conditioning System specifications
Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430) the system contains 2.1 kg of refrigerant which has a CO2 equivalent of 3.003 metric tonnes. — Starting 2026 Model Year

Blade - Semi-Universal

Caterpillar D9 Crawler Dozer Blade - Semi-Universal specifications
Blade Capacity (SAE J1265)	17.8 cu yd — Starting 2026 Model Year
Blade Height	76.10 in (193.29 cm) — Starting 2026 Model Year
Blade Weight	10,587.00 lbs (4,802.19 kg) — Starting 2026 Model Year
Blade Width (over end bits)	171.30 in (435.10 cm) — Starting 2026 Model Year
Ground Clearance at Full Lift	56.00 in (142.24 cm) — Starting 2026 Model Year
Maximum Digging Depth	23.90 in (60.71 cm) — Starting 2026 Model Year
Maximum Tilt	37.00 in (93.98 cm) — Starting 2026 Model Year
Total Operating Weight* (with blade and single-shank ripper)	110,205.00 lbs (49,988.21 kg) — Starting 2026 Model Year

Blade - Universal

Caterpillar D9 Crawler Dozer Blade - Universal specifications
Blade Capacity (SAE J1265)	21.7 cu yd — Starting 2026 Model Year
Blade Height	76.10 in (193.29 cm) — Starting 2026 Model Year
Blade Weight	12,016.00 lbs (5,450.37 kg) — Starting 2026 Model Year
Blade Width (over end bits)	184.30 in (468.12 cm) — Starting 2026 Model Year
Ground Clearance at Full Lift	56.00 in (142.24 cm) — Starting 2026 Model Year
Maximum Digging Depth	23.90 in (60.71 cm) — Starting 2026 Model Year
Maximum Tilt	39.90 in (101.35 cm) — Starting 2026 Model Year
Total Operating Weight* (with blade and single-shank ripper)	111,362.00 lbs (50,513.02 kg) — Starting 2026 Model Year

Dimensions

Caterpillar D9 Crawler Dozer Dimensions specifications
Height	13.17 ft (4.01 m)
Length	26.92 ft (8.20 m)
Weight	110,225.00 lbs (49,997.28 kg)
Width	9.42 ft (2.87 m)

Dimensions (Approximate)

Caterpillar D9 Crawler Dozer Dimensions (Approximate) specifications
Drawbar Height (Center of Clevis)*	30.00 in (76.20 cm) — Starting 2026 Model Year
Ground Clearance*	18.10 in (45.97 cm) — Starting 2026 Model Year
Height - FOPS Cab*	150.40 in (382.02 cm) — Starting 2026 Model Year
Height - ROPS/Canopy*	157.50 in (400.05 cm) — Starting 2026 Model Year
Height - Top of Stack*	152.60 in (387.60 cm) — Starting 2026 Model Year
Length - Basic Tractor - With Drawbar	206.40 in (524.26 cm) — Starting 2026 Model Year
Length - Basic Tractor - With Winch	218.30 in (554.48 cm) — Starting 2026 Model Year
Length - Track on Ground	136.60 in (346.96 cm) — Starting 2026 Model Year
Length - With Multi-Shank Ripper	257.40 in (653.80 cm) — Starting 2026 Model Year
Length - With Single-Shank Ripper	257.00 in (652.78 cm) — Starting 2026 Model Year
Length - With SU-Blade**	259.90 in (660.15 cm) — Starting 2026 Model Year
Length - With U-Blade	274.30 in (696.72 cm) — Starting 2026 Model Year
Overall Length - Basic Tractor	193.30 in (490.98 cm) — Starting 2026 Model Year
Overall Length - SU-Blade/SS Ripper	323.60 in (821.94 cm) — Starting 2026 Model Year
Track Gauge	88.60 in (225.04 cm) — Starting 2026 Model Year
Width - Over Trunnions	130.30 in (330.96 cm) — Starting 2026 Model Year
Width - Without Trunnions - Standard Shoe	113.00 in (287.02 cm) — Starting 2026 Model Year

Engine - U.s. Epa Tier 2/3 Equivalent

Caterpillar D9 Crawler Dozer Engine - U.s. Epa Tier 2/3 Equivalent specifications
Bore	5.70 cu in (93.41 cu cm) — Starting 2026 Model Year
Displacement	1,106.00 cu in (18,124.13 cu cm) — Starting 2026 Model Year
Emissions	U.S. EPA Tier 2 or Tier 3 equivalent — Starting 2026 Model Year
Engine Model	Cat® C18 — Starting 2026 Model Year
Engine Power - Gross SAE J1995	487.00 hp (363.16 kw) — Starting 2026 Model Year
Engine Power - ISO 14396	479.00 hp (357.20 kw) — Starting 2026 Model Year
Engine Power - Net SAE J1349/ISO 9249	452.00 hp (337.06 kw) — Starting 2026 Model Year
Stroke	7.20 in (18.29 cm) — Starting 2026 Model Year

Engine - U.s. Epa Tier 4 Final/Eu Stage V

Caterpillar D9 Crawler Dozer Engine - U.s. Epa Tier 4 Final/Eu Stage V specifications
Bore	5.70 cu in (93.41 cu cm) — Starting 2026 Model Year
Displacement	1,106.00 cu in (18,124.13 cu cm) — Starting 2026 Model Year
Emissions	U.S. EPA Tier 4 / EU Stage V — Starting 2026 Model Year
Engine Model	Cat® C18 — Starting 2026 Model Year
Engine Power - Gross SAE J1995	477.00 hp (355.70 kw) — Starting 2026 Model Year
Engine Power - ISO 14396	468.00 hp (348.99 kw) — Starting 2026 Model Year
Engine Power - Net SAE J1349/ISO 9249	440.00 hp (328.11 kw) — Starting 2026 Model Year
Stroke	7.20 cu in (117.99 cu cm) — Starting 2026 Model Year

Fluid Capacities

Caterpillar D9 Crawler Dozer Fluid Capacities specifications
Cooling System	21.00 gal (79.49 l) — Starting 2026 Model Year
DEF Tank (Tier 4 only)	9.50 gal (35.96 l) — Starting 2026 Model Year
Engine Crankcase*	10.00 gal (37.85 l) — Starting 2026 Model Year
Final Drives (each)	4.00 gal (15.14 l) — Starting 2026 Model Year
Fuel Tank (Fast Fill)	248.00 gal (938.68 l) — Starting 2026 Model Year
Fuel Tank (Splash Fill)	254.00 gal (961.39 l) — Starting 2026 Model Year
Hydraulic System Tank	24.00 gal (90.84 l) — Starting 2026 Model Year
Note 2	Biodiesel blends up to B20 (20% blend by volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or less ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214). Cat DEO-ULSTM or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specification are required. Consult your OMM for further machine specific fuel recommendations. — Starting 2026 Model Year
Note 3	All non-road Tier 4 Final diesel engines are required to use only ultra-low sulfur diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. — Starting 2026 Model Year
Note 4	Diesel Exhaust Fluid (DEF) used in Cat Selective Catalytic Reduction (SCR) systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241. — Starting 2026 Model Year
Pivot Shaft Oil	8.00 gal (30.28 l) — Starting 2026 Model Year
Powertrain	40.00 gal (151.40 l) — Starting 2026 Model Year
Roller Frames (each)	12.00 gal (45.42 l) — Starting 2026 Model Year

Hydraulic Controls

Caterpillar D9 Crawler Dozer Hydraulic Controls specifications
Fan Pump	21.00 gpm (79.49 lpm) — Starting 2026 Model Year
Lift Cylinder Relief Valve Setting	3800 lbf/in — Starting 2026 Model Year
Pump Output - Steering	96.00 gpm (363.36 lpm) — Starting 2026 Model Year
Pump Type	Piston-type geared to flywheel — Starting 2026 Model Year
Ripper - Lift - Relief Valve Setting	3800 psi — Starting 2026 Model Year
Ripper - Pitch - Relief Valve Setting	3800 psi — Starting 2026 Model Year
Steering System - Pressure	5874 psi — Starting 2026 Model Year
Tank Capacity	24.00 gpm (90.84 lpm) — Starting 2026 Model Year
Tilt Cylinder Flow - Head End Flow	53.00 gpm (200.61 lpm) — Starting 2026 Model Year
Tilt Cylinder Flow - Rod End Flow	53.00 gpm (200.61 lpm) — Starting 2026 Model Year
Tilt Cylinder Relief Valve Setting	2799 psi — Starting 2026 Model Year

Ripper - Multi-Shank, Adjustable Parallelogram

Caterpillar D9 Crawler Dozer Ripper - Multi-Shank, Adjustable Parallelogram specifications
Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole	34.60 in (87.88 cm) — Starting 2026 Model Year
Maximum Penetration - Standard Tip	31.40 in (79.76 cm) — Starting 2026 Model Year
Maximum Penetration Force - Shank Vertical	34,621.00 lbs ft (46,939.15 nm) — Starting 2026 Model Year
Number of Pockets	3 — Starting 2026 Model Year
Pry-Out Force - Multi-Shank Ripper with One Tooth	81,156.00 lbs ft (110,031.31 nm) — Starting 2026 Model Year
Total Operating Weight* - With SU-Blade and Ripper	111,739.00 lbs (50,684.02 kg) — Starting 2026 Model Year
Weight	12,136.00 lbs (5,504.80 kg) — Starting 2026 Model Year

Ripper - Single Shank

Caterpillar D9 Crawler Dozer Ripper - Single Shank specifications
Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole	34.70 in (88.14 cm) — Starting 2026 Model Year
Maximum penetration depth (standard tip)	48.50 in (123.19 cm) — Starting 2026 Model Year
Maximum penetration force * (shank vertical)	35,520.00 lbs ft (48,158.02 nm) — Starting 2026 Model Year
Number of Pockets	1 — Starting 2026 Model Year
Pryout Force	74,637.00 lbs ft (101,192.85 nm) — Starting 2026 Model Year
Total Operating Weight* (with SU Blade and noted ripper)	110,205.00 lbs (49,988.21 kg) — Starting 2026 Model Year
Weight	10,701.00 lbs (4,853.90 kg) — Starting 2026 Model Year

Ripper - Single Shank, Deep Ripping

Caterpillar D9 Crawler Dozer Ripper - Single Shank, Deep Ripping specifications
Maximum Clearance Raised - Under Tip, Pinned in Bottom Hole	32.20 in (81.79 cm) — Starting 2026 Model Year
Maximum penetration depth (standard tip)	68.00 in (172.72 cm) — Starting 2026 Model Year
Maximum penetration force * (shank vertical)	38,667.00 lbs ft (52,424.72 nm) — Starting 2026 Model Year
Number of Pockets	1 — Starting 2026 Model Year
Pryout Force	74,412.00 lbs ft (100,887.79 nm) — Starting 2026 Model Year
Total Operating Weight* (with SU Blade and noted ripper)	110,485.00 lbs (50,115.22 kg) — Starting 2026 Model Year
Weight	10,981.00 lbs (4,980.90 kg) — Starting 2026 Model Year

Standards

Caterpillar D9 Crawler Dozer Standards specifications
FOPS	Falling Object Protective Structure (FOPS) meets the following criteria ISO 3449:2005 LEVEL II. — Starting 2026 Model Year
ROPS	Rollover Protective Structure (ROPS) meets the following criteria ISO 3471:2008. — Starting 2026 Model Year
Sound	The average dynamic spectator sound power level when ISO 6395:2008 is used to measure the value for a machine is 116 dB(A). The measurement was conducted at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan speeds. NOTE: The dynamic sound power level uncertainty is +/-2 dB(A). — Starting 2026 Model Year
Sound (1)	The average dynamic operator sound pressure level when ISO 6396:2008 is used to measure the value for an enclosed cab is 78 dB(A). The measurement was conducted at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan speeds. The cab was properly installed and maintained. The measurement was conducted with the cab doors and the cab windows closed. NOTE: The dynamic operator sound pressure level uncertainty is +/-2 dB(A). — Starting 2026 Model Year
Sound (2)	Hearing protection may be needed when the machine is operated with an open operator station for extended periods, in a noisy environment, or with a cab that is not properly maintained. — Starting 2026 Model Year

Steering And Brakes

Caterpillar D9 Crawler Dozer Steering And Brakes specifications
Brake Count	8 — Starting 2026 Model Year
Brake Diameter	15.50 in (39.37 cm) — Starting 2026 Model Year
Brake Type	Spring Applied Wet Disc — Starting 2026 Model Year
Steering Type	Differential — Starting 2026 Model Year

Transmission

Caterpillar D9 Crawler Dozer Transmission specifications
1.0 Forward	2.20 mph (3.54 kph) — Starting 2026 Model Year
1.0 Reverse	2.70 mph (4.35 kph) — Starting 2026 Model Year
2.0 Forward	3.90 mph (6.28 kph) — Starting 2026 Model Year
2.0 Reverse	4.80 mph (7.72 kph) — Starting 2026 Model Year
3.0 Forward	6.80 mph (10.94 kph) — Starting 2026 Model Year
3.0 Reverse	8.40 mph (13.52 kph) — Starting 2026 Model Year
Type	Planetary powershift — Starting 2026 Model Year

Undercarriage

Caterpillar D9 Crawler Dozer Undercarriage specifications
Ground Clearance	18.10 in (45.97 cm) — Starting 2026 Model Year
Ground Contact Area	45.6 ft² — Starting 2026 Model Year
Grouser Height	3.30 in (8.38 cm) — Starting 2026 Model Year
Length - Track on Ground	136.60 in (346.96 cm) — Starting 2026 Model Year
Number of Carrier Rollers	1 per side (optional) — Starting 2026 Model Year
Pitch	9.40 in (23.88 cm) — Starting 2026 Model Year
Shoe Type	Extreme Service — Starting 2026 Model Year
Shoes/Side	43 — Starting 2026 Model Year
Track Gauge	88.60 in (225.04 cm) — Starting 2026 Model Year
Track Rollers/Side	8 — Starting 2026 Model Year
Width - Shoe	24.00 in (60.96 cm) — Starting 2026 Model Year

Weights

Caterpillar D9 Crawler Dozer Weights specifications
Operating Weight	110,225.00 lbs (49,997.28 kg) — Starting 2026 Model Year
Shipping Weight	84,373.00 lbs (38,271.00 kg) — Starting 2026 Model Year

Winches

Caterpillar D9 Crawler Dozer Winches specifications
Drum Width	12.60 in (32.00 cm) — Starting 2026 Model Year
Maximum Drum Capacity - Optional Cable Length	204.00 ft (62.18 m) — Starting 2026 Model Year
Maximum Drum Capacity - Recommended Cable Length	257.00 in (652.78 cm) — Starting 2026 Model Year
Oil Capacity	4.00 gal (15.14 l) — Starting 2026 Model Year
Weight*	3,950.00 lbs (1,791.69 kg) — Starting 2026 Model Year
Winch Model	PA 140VS — Starting 2026 Model Year
Wire Cable Diameter - Optional	1.25 ft (0.38 m) — Starting 2026 Model Year
Wire Cable Diameter - Recommended	1.13 in (2.87 cm) — Starting 2026 Model Year
Wire Cable Ferrule Size - Length	2.80 in (7.11 cm) — Starting 2026 Model Year
Wire Cable Ferrule Size - Outside Diameter	2.40 in (6.10 cm) — Starting 2026 Model Year