- Overall Length: 42.2 ft / 12860 mm
- Overall Width: 11.39 ft / 3470 mm
- Overall Height: 12.17 ft / 3710 mm
- Wheelbase: 25.08 ft / 7650 mm
Published dimensions and weight
Caterpillar 621S
Rated at 280 hp, the Caterpillar 621S is a motor scraper.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02WeightNot publishedNot published
03Selected published values23
Motor scrapers are commonly used to cut, load, haul and spread soil over medium-distance earthmoving cycles. Published rows for Caterpillar 621S include published payload of 47999.1 lb / 21772 kg, published body capacity of 20.1 yd3 / 15.3 m3, published engine power of 280 hp / 208.8 kw. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (42.2 ft / 12860 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (11.39 ft / 3470 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height” field (12.17 ft / 3710 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
Overall Length42.2 ft12860 mm
Overall Width11.39 ft3470 mm
Overall Height12.17 ft3710 mm
Wheelbase25.08 ft7650 mm
Tractor Engine
MakeCaterpillarCaterpillar
Model33063306
Gross Power280 hp208.8 kw
Displacement640.8 cu in10.5 L
Operational
Fuel Capacity144 gal545 L
Tire Size29.5-29 28PR (E-3)29.5-29 28PR (E-3)
Transmission
Number Of Forward Gears88
Max Speed Forward27.6 mph44.4 km/h
Weights
Total Operating - Empty62349 lb28281 kg
Front Axle - Empty40527.6 %40527.5799 %
Rear Axle - Empty21821.4 %21821.3559 %
Total Operating - Loaded110348 lb50053 kg
Front Axel - Loaded56277.5 lb25527 kg
Rear Axle - Loaded54070.6 %54070.5775 %
Bowl
Rated Payload47999.1 lb21772 kg
Heaped Capacity20.1 yd315.3 m3
Struck Capacity14 yd310.7 m3
Max Depth Of Cut14.3 in361 mm
Width Of Cut10 ft3020 mm
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Manufacturer-published specifications.