- Category: Scrapers ➔
- Manufacturer: Caterpillar ➔
- Model: 623F ➔
The Caterpillar 623F is a self-loading wheel tractor-scraper in Caterpillar's scraper lineup, designed for earthmoving, site preparation, and bulk material hauling. It uses a single-engine, open-bowl scraper configuration with a rear push-pull arrangement for efficient loading and unloading in medium to large-scale grading and excavation work. The 623F is commonly used in road construction, mining support, land development, and large civil projects where high-volume material movement is required. Key features typically include hydrostatic or powershift drivetrain components, large-capacity bowl, and operator controls designed for productivity, traction, and cycle efficiency in varied soil conditions.
Bowl
| Heaped Capacity | 23.10 cu yd (17.66 cu m)
|
| Max Depth of Cut | 13.00 in (33.02 cm)
|
| Rated Payload | 55,201.60 lbs (25,039.06 kg)
|
| Struck Capacity | 18.10 cu yd (13.84 cu m)
|
| Width of Cut | 11.50 ft (3.51 m)
|
Dimensions
| Front of Tractor to Front Axle | 17.00 in (43.18 cm)
|
| Height - Overall Shipping | 140.00 in (355.60 cm)
|
| Height - Scraper Blade Maximum | 16.00 in (40.64 cm)
|
| Height - Top of Cab | 11.10 ft (3.38 m)
|
| Length - Overall Machine | 523.00 in (1,328.42 cm)
|
| Overall Height | 12.10 ft (3.69 m)
|
| Overall Length | 43.40 ft (13.23 m)
|
| Rear Axle - Rear of Machine | 86.00 in (218.44 cm)
|
| Rim Radius | 17.00 in (43.18 cm)
|
| Wheel Base | 26.20 ft (7.99 m)
|
| Wheelbase | 26.20 ft (7.99 m)
|
| Width - Inside of Bowl | 116.00 in (294.64 cm)
|
| Width - Outside Rear Tires | 120.00 in (304.80 cm)
|
| Width - Overall Machine | 140.00 in (355.60 cm)
|
| Width - Rear Tire Center Lines | 87.00 in (220.98 cm)
|
| Width - Tractor | 117.00 in (297.18 cm)
|
Elevator
| Length - Flights | 89.00 in (226.06 cm)
|
| Length - Overall | 146.90 in (373.13 cm)
|
| Number of Flights | 15
|
| Spacing of Flights | 20.00 in (50.80 cm)
|
| Width - Flight Face | 8.50 in (21.59 cm)
|
Engine
| Bore | 5.40 in (13.72 cm)
|
| Displacement | 893.00 cu in (14,633.68 cu cm)
|
| Gross Power - Gears 1-2 | 383.00 hp (285.61 kw)
|
| Net Power | 365.00 hp (272.18 kw)
|
| Net Power - Gears 1-2 | 365.00 hp (272.18 kw)
|
| Stroke | 6.50 in (16.51 cm)
|
| Tractor Engine | 3406C
|
Hydraulic System
| Bowl Cylinder Bore | 6.00 in (15.24 cm)
|
| Bowl Cylinder Stroke | 20.00 in (50.80 cm)
|
| Compensator Settings - Cushion Hitch Circuit | 2300 psi
|
| Compensator Settings - Elevator Circuit | 5250 psi
|
| Cushion Hitch Circuit | 8.60 gpm (32.55 lpm)
|
| Ejector Cylinder Bore | 5.00 in (12.70 cm)
|
| Ejector Cylinder Stroke | 47.80 in (121.41 cm)
|
| Floor Cylinder Bore | 6.00 in (15.24 cm)
|
| Floor Cylinder Stroke | 53.30 in (135.38 cm)
|
| Relief Valve - Implement Circuit | 2500 psi
|
| Relief Valve - Steering Circuit | 2250 psi
|
| Scraper Circuit | 62.20 gpm (235.43 lpm)
|
| Steering Circuit | 56.00 gpm (211.96 lpm)
|
| Supplemental Steering Circuit | 37.00 gpm (140.05 lpm)
|
Operating Specifications
| Fuel Capacity | 160.10 gal (605.98 l)
|
Scraper Bowl
| Capacity - Struck | 18.00 cu yd (13.76 cu m)
|
| Cutting Edge Thickness | 1.40 in (3.56 cm)
|
| Depth of Cut - Maximum | 13.00 in (33.02 cm)
|
| Depth of Spread - Maximum | 15.00 in (38.10 cm)
|
| Ground Clearance - Maximum | 15.30 in (38.86 cm)
|
| Hydraulic Penetration Force | 33,750.00 lbs (15,308.76 kg)
|
| Rated Load | 55,000.00 lbs (24,947.61 kg)
|
| Scraper Capacity - Heaped | 23.00 cu yd (17.58 cu m)
|
| Width - Cut - To Router Bits | 11.50 in (29.21 cm)
|
Scraper Engine
| Displacement | 891.00 cu in (14,600.91 cu cm)
|
Service Refill Capacities
| Cooling System | 22.00 gal (83.27 l)
|
| Crankcase | 9.50 gal (35.96 l)
|
| Differential | 43.00 gal (162.76 l)
|
| Final Drive - Each | 5.00 gal (18.93 l)
|
| Fuel Tank | 160.00 gal (605.60 l)
|
| Hydraulic Reservoir | 37.00 gal (140.05 l)
|
| Transmission | 19.00 gal (71.92 l)
|
| Wheel Coolant - Each | 12.00 gal (45.42 l)
|
Steering System
| Ground-Driven Secondary Steering System | 39.90 gpm (151.02 lpm)
|
| Hydraulic Output | 52.00 gpm (196.82 lpm)
|
| Steering Angle - Left | 85 degrees
|
| Steering Angle - Right | 90 degrees
|
| Width - 180 degrees Turn | 35.80 ft (10.91 m)
|
Tractor Engine
| Gross Power | 365.00 hp (272.18 kw)
|
Transmission
| 1 Forward | 3.10 mph (4.99 kph)
|
| 2 Forward | 5.60 mph (9.01 kph)
|
| 3 Forward | 7.10 mph (11.43 kph)
|
| 4 Forward | 9.60 mph (15.45 kph)
|
| 5 Forward | 12.90 mph (20.76 kph)
|
| 6 Forward | 17.50 mph (28.16 kph)
|
| 7 Forward | 23.60 mph (37.98 kph)
|
| 8 Forward | 31.90 mph (51.34 kph)
|
| Max Speed Forward | 29.90 mph (48.12 kph)
|
| Reverse | 5.40 mph (8.69 kph)
|
Weights
| Front Axle | 52,050.00 lbs (23,609.51 kg)
|
| Front Axle Weight - Loaded | 69,985.00 lbs (31,744.70 kg)
|
| Rear Axle | 29,200.00 lbs (13,244.91 kg)
|
| Rear Axle - Weight - Loaded | 68,760.00 lbs (31,189.05 kg)
|
| Scraper Shipping | 29,200.00 lbs (13,244.91 kg)
|
| Total Shipping | 80,231.00 lbs (36,392.21 kg)
|
| Tractor Shipping | 52,050.00 lbs (23,609.51 kg)
|
