- Overall Length: 41.67 ft / 12700 mm
- Overall Width: 11.32 ft / 3450 mm
- Overall Height: 11.91 ft / 3630 mm
- Wheelbase: 25.33 ft / 7720 mm
Published dimensions and weight
Caterpillar 621B
The Caterpillar 621B is a motor scraper powered by a 330 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02WeightNot publishedNot published
03Selected published values24
Motor scrapers are commonly used to cut, load, haul and spread soil over medium-distance earthmoving cycles. Published rows for Caterpillar 621B include published payload of 47994.7 lb / 21770 kg, published body capacity of 20.1 yd3 / 15.3 m3, published engine power of 330 hp / 246.1 kw. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (41.67 ft / 12700 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (11.32 ft / 3450 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height” field (11.91 ft / 3630 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 Length41.67 ft12700 mm
Overall Width11.32 ft3450 mm
Overall Height11.91 ft3630 mm
Wheelbase25.33 ft7720 mm
Tractor Engine
MakeCaterpillarCaterpillar
Model34063406
Net Power330 hp246.1 kw
Power Measured @1900 rpm1900 rpm
Displacement891 cu in14.6 L
Operational
Fuel Capacity135 gal511 L
Tire Size29.5-29 28PR (E-3)29.5-29 28PR (E-3)
Transmission
Number Of Forward Gears88
Max Speed Forward29.9 mph48 km/h
Weights
Total Operating - Empty66590.7 lb30205 kg
Front Axle - Empty46612.4 %46612.3387 %
Rear Axle - Empty19977.2 %19977.189 %
Total Operating - Loaded114585.3 lb51975 kg
Front Axel - Loaded63021.4 lb28586 kg
Rear Axle - Loaded51564 %51563.9214 %
Bowl
Rated Payload47994.7 lb21770 kg
Heaped Capacity20.1 yd315.3 m3
Struck Capacity14 yd310.7 m3
Max Depth Of Cut13.4 in340 mm
Width Of Cut10 ft3020 mm
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Manufacturer-published specifications.