CAT 623G Motor Scraper

Dimensions

Overall Length 43.34 ft in (13209 mm)
Overall Width 11.67 ft in (3556 mm)
Overall Height 12.17 ft in (3708 mm)
Wheelbase 26.17 ft in (7976 mm)
Tractor Ground Clearance 1.82 ft in (553 mm)
Height To Top Of Cab 11.24 ft in (3423 mm)
Rear Axle – Rear Of Machine 85.7 in (2176.79 mm)
Rim Radius 17 in (431.8 mm)
Wheel Base 26.17 ft in (0.67 m)
Width – Inside Of Bowl 116 in (2946.4 mm)
Width – Outside Rear Tires 120 in (3048 mm)
Width – Overall Machine 140 in (3556 mm)
Width – Rear Tire Center Lines 85.8 in (2179.33 mm)
Front Of Tractor To Front Axle 120.4 in (3058.16 mm)
Width – Tractor 123.2 in (3129.28 mm)
Ground Clearance – Tractor 21.8 in (553.72 mm)
Height – Overall Shipping 146 in (3708.4 mm)
Height – Scraper Blade Maximum 15 in (381 mm)
Height – Top Of Cab 11.24 ft in (0.29 m)
Length – Overall Machine 520 in (13208 mm)

Tractor Engine

Make CAT
Model C15 with ACERT technology
Gross Power 359 hp (267.8 kw)

Engine Details

Net Power 330 hp (246.1 kw)

Tractor Engine

Net Power 330 hp (246.1 kw)
Displacement 928 cu in (15.3 L)

Engine Details

Displacement 928 cu in (15.3 L)
Bore 5.5 in (139.7 mm)
Stroke 6.5 in (165.1 mm)
Tractor Engine Cat C15 ACERT
Gross Power – Gears 1-2 359 hp (267.8 kw)
Net Power – Gears 1-2 330 hp (246.1 kw)
Gross Power – Gears 3-8 394 hp (293.9 kw)
Net Power – Gears 3-8 365 hp (272.2 kw)
Net Power – Tractor/Scraper 246 kW (330 hp)

Operational Specs

Fuel Tank Capacity 160 gal (605.7 L)
Cooling System Fluid Capacity 28 gal (106 L)
Engine Oil Fluid Capacity 9.5 gal (36 L)
Transmission Fluid Capacity 19 gal (72 L)
Differential Fluid Capacity 38 gal (143.9 L)
Hydraulic System Fluid Capacity 37 gal (140.1 L)
Wheel Coolant Fluid Capacity – Each 12 gal (45.5 L)

Transmission

Number Of Forward Gears 8
Number Of Reverse Gears 1
Max Speed Forward 32 mph (51.5 km/h)
Max Speed Reverse 5.7 mph (9.2 km/h)
Reverse 5.7 mile/h

Steering

Width – 180 Degrees Turn 35.9 ft in (11 m)
Steering Angle – Right 90 degrees
Steering Angle – Left 85 degrees
Hydraulic Output 55 gal/min

Transmission

1 Forward 3.1 mph (5 km/h)
2 Forward 4.7 mph (7.6 km/h)
3 Forward 6.8 mph (11 km/h)
4 Forward 9.2 mph (14.9 km/h)
5 Forward 12.4 mph (20 km/h)
6 Forward 16.7 mph (26.9 km/h)
7 Forward 22.6 mph (36.4 km/h)
8 Forward 32 mph (51.5 km/h)
Travel Speed – Maximum 32 mph (51.5 km/h)

Weights

Total Operating – Empty 82530 lb (37435 kg)
Front Axle – Empty 52819 %
Rear Axle – Empty 29711 %
Total Operating – Loaded 137646 lb (62435.2 kg)
Front Axel – Loaded 68823 lb (31217.6 kg)
Rear Axle – Loaded 68823 %
Total Shipping 81196 lb (36829.9 kg)
Tractor Shipping 52778 lb (23939.7 kg)
Scraper Shipping 28419 lb (12890.7 kg)
Front Axle 52819 lb (23958.3 kg)
Rear Axle 29711 lb (13476.7 kg)
Front Axle Weight – Loaded 68823 lb (31217.6 kg)
Rear Axle – Weight – Loaded 68823 lb (31217.6 kg)

Bowl

Heaped Capacity 23.1 yd3 (17.6 m3)
Max Depth Of Cut 13 in (330 mm)
Width Of Cut 11.5 ft in (3505 mm)

Elevator

Number Of Flights 15
Width – Flight Face 8.5 in (215.9 mm)
Length – Flights 89 in (2260.6 mm)
Spacing Of Flights 20 in (508 mm)
Length – Overall 146.9 in (3731.3 mm)

Service Refill Capacities

Cooling System 28 gal (106 L)
Fuel Tank Capacity 160 gal (605.7 L)
Crankcase 9.5 gal (36 L)
Final Drive – Each 5 gal (19 L)
Transmission 19 gal (72 L)
Differential 38 gal (143.9 L)
Hydraulic Reservoir 37 gal (140.1 L)
Wheel Coolant – Each 12 gal (45.5 L)

Hydraulics

Bowl Cylinder Bore 6 in (152.4 mm)
Bowl Cylinder Stroke 20 in (508 mm)
Floor Cylinder Bore 6 in (152.4 mm)
Floor Cylinder Stroke 53.3 in (1352.6 mm)
Steering Circuit 55 gal/min
Scraper Circuit 63.7 gal/min
Cushion Hitch Circuit 9.8 gal/min
Supplemental Steering Circuit 39.9 gal/min
Relief Valve – Steering Circuit 2250 psi
Relief Valve – Implement Circuit 2510 psi
Compensator Settings – Cushion Hitch Circuit 2175 psi
Compensator Settings – Elevator Circuit 5246 psi
Ejector Cylinder Bore 5 in (127 mm)
Ejector Cylinder Stroke 48 in (1219.2 mm)

Scraper Bowl

Capacity Heaped 23 yd3 (17.6 m3)
Hydraulic Penetration Force 33750 lb (15308.8 kg)
Width – Cut – To Router Bits 138 in (3505.2 mm)
Rated Load 55115 lb (24999.8 kg)
Capacity – Struck 18 yd3 (13.8 m3)
Depth Of Cut – Maximum 13 in (330.2 mm)
Ground Clearance – Maximum 15.2 in (386.1 mm)
Cutting Edge Thickness 1.2 in (29 mm)
Depth Of Spread – Maximum 15 in (381 mm)
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