- Length W/ Blade: 42.5 ft / 12954 mm
- Width Over Tracks: 9.91 ft / 3020 mm
- Height To Top Of Cab: 13.25 ft / 4038 mm
- Length Of Track On Ground: 11.01 ft / 3353 mm
Published dimensions and weight
Caterpillar DD9H
The Caterpillar DD9H is a 84.1 t-class crawler tractor with a 820 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Operating Weight185430.9 lb84110 kg
03Selected published values19
Crawler tractors are commonly used for pushing, grading and clearing material where tracked traction is useful. Published rows for Caterpillar DD9H include published operating weight of 185430.9 lb / 84110 kg, published engine power of 820 hp / 611.5 kw, the published “Length W/ Blade” field of 42.5 ft / 12954 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Length W/ Blade” field (42.5 ft / 12954 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Width Over Tracks” field (9.91 ft / 3020 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Height To Top Of Cab” field (13.25 ft / 4038 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Length W/ Blade42.5 ft12954 mm
Width Over Tracks9.91 ft3020 mm
Height To Top Of Cab13.25 ft4038 mm
Length Of Track On Ground11.01 ft3353 mm
Ground Clearance1.17 ft356 mm
Length W/O Blade38.25 ft11659 mm
Undercarriage
Track Gauge7.52 ft2290 mm
Standard Shoe Size24.02 in610 mm
Number Of Track Rollers Per Side77
Engine
Engine ModelD353(2)D353(2)
Gross Power820 hp611.5 kw
Displacement1470.7 cu in24.1 L
Operational
Operating Weight185430.9 lb84110 kg
Fuel Capacity229.9 gal870 L
Transmission
Transmission Typepowershiftpowershift
Number Of Forward Gears33
Number Of Reverse Gears33
Max Speed - Forward6.6 mph10.5 km/h
Max Speed - Reverse8.3 mph13.2 km/h
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Manufacturer-published specifications.