- Category: Scrapers ➔
- Manufacturer: Caterpillar ➔
- Model: 621F ➔
Introducing the Caterpillar 621F Scraper, a powerful and efficient machine designed for heavy-duty earthmoving and leveling tasks. With an impressive heaped bowl capacity of 20.1 cubic yards and a rated payload of 47,994.7 pounds, this scraper is built to handle large quantities of material with ease. Equipped with a reliable Caterpillar 3406C engine and advanced hydraulic systems, the 621F offers superior performance and productivity on the job site. Explore the detailed specifications below to discover the capabilities of this robust piece of equipment.
General Specifications
Bowl
| Heaped Capacity | 20 cu yd (15 cu m)
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| Max Depth of Cut | 13 in (34 cm)
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| Rated Payload | 47,995 lbs (21,770 kg)
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| Struck Capacity | 14 cu yd (11 cu m)
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| Width of Cut | 10 ft (3 m)
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Dimensions
| Axle to Vertical Hitch Pin | 17 in (43 cm)
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| Front of Tractor to Front Axle | 125 in (317 cm)
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| Ground Clearance - Tractor | 22 in (56 cm)
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| Height - Overall Shipping | 132 in (335 cm)
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| Height - Scraper Blade Maximum | 21 in (53 cm)
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| Height - Top of Cab | 11 ft (3 m)
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| Length - Overall Machine | 507 in (1,288 cm)
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| Overall Height | 12 ft (4 m)
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| Overall Length | 43 ft (13 m)
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| Overall Width | 11 ft (3 m)
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| Rear Axle - Rear of Machine | 85 in (216 cm)
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| Wheel Base | 25 ft (8 m)
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| Wheelbase | 25 ft (8 m)
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| Width - Inside of Bowl | 116 in (295 cm)
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| Width - Outside Rear Tires | 120 in (305 cm)
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| Width - Overall Machine | 136 in (345 cm)
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| Width - Rear Tire Center Lines | 87 in (221 cm)
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| Width - Tractor | 117 in (297 cm)
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Engine
Hydraulic System
| Apron Cylinder Bore | 7 in (19 cm)
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| Apron Cylinder Stroke | 24 in (61 cm)
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| Bowl Cylinder Bore | 6 in (15 cm)
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| Bowl Cylinder Stroke | 32 in (81 cm)
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| Cushion Hitch Circuit | 10 gpm (37 lpm)
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| Ejector Cylinder Bore | 7 in (17 cm)
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| Ejector Cylinder Stroke | 61 in (155 cm)
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| Relief Valve - Implement Circuit | 2150 psi
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| Relief Valve - Steering Circuit | 2250 psi
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| Scraper Circuit | 66 gpm (248 lpm)
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| Secondary Steering Circuit | 37 gpm (140 lpm)
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| Steering Circuit | 52 gpm (197 lpm)
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Operating Specifications
| Fuel Capacity | 215 gal (814 l)
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Scraper Bowl
| Apron Closure Force | 24,075 lbs (10,920 kg)
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| Apron Opening | 70 in (178 cm)
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| Capacity - Struck | 14 cu yd (11 cu m)
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| Cutting Edge Thickness | 1 in (3 cm)
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| Depth of Cut - Maximum | 13 in (34 cm)
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| Depth of Spread - Maximum | 70 in (178 cm)
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| Ground Clearance - Maximum | 21 in (52 cm)
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| Hyd. Penetration Force - 621G | 33,840 lbs (15,350 kg)
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| Rated Load | 48,000 lbs (21,772 kg)
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| Scraper Capacity - Heaped | 30 cu yd (23 cu m)
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| Width - Cut - To Router Bits | 119 in (302 cm)
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Service Refill Capacities - Tractor
| Cooling System | 22 gal (83 l)
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| Crankcase | 10 gal (36 l)
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| Differential | 43 gal (163 l)
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| Final Drive - Each | 5 gal (19 l)
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| Hydraulic Reservoir | 37 gal (140 l)
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| Transmission | 19 gal (72 l)
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| Wheel Coolant - Each | 12 gal (45 l)
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Steering System
| Ground-Driven Secondary Steering System | 40 gpm (151 lpm)
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| Hydraulic Output | 52 gpm (197 lpm)
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| Steering Angle - Left | 85 degrees
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| Steering Angle - Right | 90 degrees
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| Width - 180 degrees Turn | 36 ft (11 m)
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Tractor Engine
| Bore | 5 in (14 cm)
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| Caterpillar Net Power | 333 hp (248 kw)
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| Displacement | 893 cu in (14,634 cu cm)
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| EEC 80/1269 | 330 hp (246 kw)
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| Gross Power | 330 hp (246 kw)
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| ISO 9249 | 330 hp (246 kw)
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| Net Power - Gears 1-2 | 330 hp (246 kw)
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| SAE J1349 | 327 hp (244 kw)
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| Stroke | 7 in (17 cm)
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Transmission
| 1 Forward | 3 mph (5 kph)
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| 2 Forward | 6 mph (9 kph)
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| 3 Forward | 7 mph (11 kph)
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| 4 Forward | 10 mph (15 kph)
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| 5 Forward | 13 mph (21 kph)
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| 6 Forward | 18 mph (28 kph)
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| 7 Forward | 24 mph (38 kph)
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| 8 Forward | 32 mph (51 kph)
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| Max Speed Forward | 32 mph (51 kph)
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| Reverse | 6 mph (9 kph)
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Weights
| Operating Weight | 70,715 lbs (32,076 kg)
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| Total Operating - empty | 70,746 lbs (32,090 kg)
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Weights - Standard, Tandem
| Front Axle | 48,109 lbs (21,822 kg)
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| Front Axle Weight - Loaded | 62,915 lbs (28,538 kg)
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| Rear Axle | 22,638 lbs (10,268 kg)
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| Rear Axle - Weight - Loaded | 55,792 lbs (25,307 kg)
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| Scraper Shipping | 21,715 lbs (9,850 kg)
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| Total Operating - Empty | 70,715 lbs (32,076 kg)
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| Total Operating - Loaded | 118,707 lbs (53,845 kg)
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| Total Shipping | 69,658 lbs (31,596 kg)
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| Tractor Shipping | 47,943 lbs (21,747 kg)
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