Caterpillar 623G Scraper

Bowl

Max Depth of Cut 13 in (33 cm)
Rated Payload 55,115 lbs (25,000 kg)
Struck Capacity 18 cu yd (14 cu m)
Width of Cut 12 ft (4 m)

Dimensions

Front of Tractor to Front Axle 120 in (306 cm)
Ground Clearance – Tractor 22 in (55 cm)
Height – Overall Shipping 146 in (371 cm)
Height – Scraper Blade Maximum 15 in (38 cm)
Height – Top of Cab 11 ft (3 m)
Height to Top of Suspended Cab 11 ft (3 m)
Length – Overall Machine 520 in (1,321 cm)
Overall Height 12 ft (4 m)
Overall Length 43 ft (13 m)
Overall Width 12 ft (4 m)
Rear Axle – Rear of Machine 86 in (218 cm)
Rim Radius 17 in (43 cm)
Tractor Ground Clearance 2 ft (1 m)
Wheel Base 26 ft (8 m)
Wheelbase 26 ft (8 m)
Width – Inside of Bowl 116 in (295 cm)
Width – Outside Rear Tires 120 in (305 cm)
Width – Overall Machine 140 in (356 cm)
Width – Rear Tire Center Lines 86 in (218 cm)
Width – Tractor 123 in (313 cm)

Elevator

Length – Flights 89 in (226 cm)
Length – Overall 147 in (373 cm)
Length of Flights 8 ft (2 m)
Number of Flights 15
Spacing of Flights 20 in (51 cm)
Width – Flight Face 9 in (22 cm)
Width of Flight Face 9 in (22 cm)

Engine

Bore 6 in (14 cm)
Displacement 928 cu in (15,207 cu cm)
Gross Power – Gears 1-2 359 hp (268 kw)
Net Power 330 hp (246 kw)
Net Power – Gears 1-2 330 hp (246 kw)
Net Power – Gears 3-8 365 hp (272 kw)
Stroke 7 in (17 cm)
Tractor Engine Cat C15 ACERT

Hydraulic System

Bowl Cylinder Bore 6 in (15 cm)
Bowl Cylinder Stroke 20 in (51 cm)
Compensator Settings – Cushion Hitch Circuit 2175 psi
Compensator Settings – Elevator Circuit 5246 psi
Cushion Hitch Circuit 10 gpm (37 lpm)
Ejector Cylinder Bore 5 in (13 cm)
Ejector Cylinder Stroke 48 in (122 cm)
Floor Cylinder Bore 6 in (15 cm)
Floor Cylinder Stroke 53 in (135 cm)
Relief Valve – Implement Circuit 2510 psi
Relief Valve – Steering Circuit 2250 psi
Scraper Circuit 64 gpm (241 lpm)
Steering Circuit 55 gpm (208 lpm)
Supplemental Steering Circuit 40 gpm (151 lpm)

Operating Specifications

Alternator Supplied Amperage 75 amps
Cooling System Fluid Capacity 28 gal (106 l)
Differential Fluid Capacity 38 gal (144 l)
Engine Oil Capacity 10 gal (36 l)
Engine Oil Fluid Capacity 10 gal (36 l)
Fuel Capacity 160 gal (606 l)
Hydraulic System Fluid Capacity 37 gal (140 l)
Operating Voltage 24 volts
Tire Size 33.25-R29
Transmission Fluid Capacity 19 gal (72 l)
Wheel Coolant Fluid Capacity – each 12 gal (45 l)

Scraper Bowl

Capacity – Struck 18 cu yd (14 cu m)
Capacity Heaped 23 cu yd (18 cu m)
Cutting Edge Thickness 1 in (3 cm)
Depth of Cut – Maximum 13 in (33 cm)
Depth of Spread – Maximum 15 in (38 cm)
Ground Clearance – Maximum 15 in (39 cm)
Hydraulic Penetration Force 33,750 lbs (15,309 kg)
Rated Load 55,115 lbs (25,000 kg)
Width – Cut – To Router Bits 138 in (351 cm)

Service Refill Capacities

Cooling System 28 gal (106 l)
Crankcase 10 gal (36 l)
Differential 38 gal (144 l)
Final Drive – Each 5 gal (19 l)
Fuel Tank 160 gal (606 l)
Hydraulic Reservoir 37 gal (140 l)
Transmission 19 gal (72 l)
Wheel Coolant – Each 12 gal (45 l)

Steering System

Hydraulic Output 55 gpm (208 lpm)
Steering Angle – Left 85 degrees
Steering Angle – Right 90 degrees
Width – 180 degrees Turn 36 ft (11 m)

Tractor Engine

Displacement 928 cu in (15,207 cu cm)
Make Caterpillar

Transmission

1 Forward 3 mph (5 kph)
2 Forward 5 mph (8 kph)
3 Forward 7 mph (11 kph)
4 Forward 9 mph (15 kph)
5 Forward 12 mph (20 kph)
6 Forward 17 mph (27 kph)
7 Forward 23 mph (36 kph)
8 Forward 32 mph (51 kph)
Max Speed Forward 32 mph (51 kph)
Max Speed Reverse 6 mph (9 kph)
Number of Forward Gears 8
Number of Reverse Gears 1
Reverse 6 mph (9 kph)
Transmission Type 8-speed automatic Powershift with Electronic Control
Travel Speed – Maximum 32 mph (51 kph)

Weights

Front Axel – loaded 68,823 lbs (31,218 kg)
Front Axle 52,819 lbs (23,958 kg)
Front Axle – empty 52,819 lbs (23,958 kg)
Front Axle Weight – Loaded 68,823 lbs (31,218 kg)
Rear Axle 29,711 lbs (13,477 kg)
Rear Axle – empty 29,711 lbs (13,477 kg)
Rear Axle – loaded 68,823 lbs (31,218 kg)
Rear Axle – Weight – Loaded 68,823 lbs (31,218 kg)
Scraper Shipping 28,419 lbs (12,891 kg)
Total Operating – empty 82,530 lbs (37,435 kg)
Total Operating – Loaded 137,646 lbs (62,435 kg)
Total Shipping 81,196 lbs (36,830 kg)
Tractor Shipping 52,778 lbs (23,940 kg)
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