Overview
The Caterpillar 623G Motor Scraper is a motor scraper listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 330 hp, capacity of 23.1 yd³, travel speed of 32.0 mph, fuel capacity of 160.0 gal and hydraulic capacity of 37.0 gal. This model can be reviewed for high-volume earthmoving, haul road production, cut-and-fill work, and scraper fleet comparison. Use the full specifications table to compare the Caterpillar 623G Motor Scraper against similar motor scraper models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Net Power
330
hp
Gross Power
359
hp
Overall Length
43.34
in
Overall Width
11.67
ft
Full Specifications
108 specs
Dimensions
Capacity - Struck
18 yd³ / 13.76 m³
Differential Fluid Capacity
38 gal / 143.8 L
Front Axel - Loaded
68,823 lb / 31,218 kg
Front Of Tractor To Front Axle
120.40 in / 3,058 mm
Gross Power
359 hp / 267.7 kW
Ground Clearance - Tractor
21.80 ft / 6.64 m
Height - Overall Shipping
146 in / 3,708 mm
Height - Scraper Blade Maximum
15 ft / 4.57 m
Height - Top Of Cab
11.24 ft / 3.43 m
Height to Top of Cab
11.24 ft / 3.43 m
Length - Overall Machine
520 in / 13,208 mm
Model
C15 with ACERT technology
Number Of Flights
15
Overall Height
12.17 ft / 3.71 m
Overall Length
43.34 in / 1,101 mm
Overall Width
11.67 ft / 3.56 m
Rear Axle - Rear Of Machine
85.70 in / 2,177 mm
Rim Radius
17 ft / 5.18 m
Total Operating - Empty
82,530 lb / 37,435 kg
Total Operating - Loaded
137,646 lb / 62,435 kg
Tractor Ground Clearance
1.82 ft / 0.55 m
Wheel Base
26.17 in / 665 mm
Wheelbase
26.17 ft / 7.98 m
Width - Inside Of Bowl
116 in / 2,946 mm
Width - Outside Rear Tires
120 in / 3,048 mm
Width - Overall Machine
140 in / 3,556 mm
Width - Rear Tire Center Lines
85.80 in / 2,179 mm
Width - Tractor
123.20 in / 3,129 mm
Width Of Cut
11.50 ft / 3.51 m
Engine
1 Forward
3.10 mph / 5.0 km/h
2 Forward
4.70 mph / 7.6 km/h
3 Forward
6.80 mph / 10.9 km/h
4 Forward
9.20 mph / 14.8 km/h
5 Forward
12.40 mph / 20.0 km/h
6 Forward
16.70 mph / 26.9 km/h
7 Forward
22.60 mph / 36.4 km/h
8 Forward
32 mph / 51.5 km/h
Bore
5.50 in / 140 mm
Bowl Cylinder Bore
6 in / 152 mm
Bowl Cylinder Stroke
20 in / 508 mm
Capacity Heaped
23
Compensator Settings - Cushion Hitch Circuit
2,175 psi / 150.0 bar
Cooling System Fluid Capacity
28 gal / 106.0 L
Cushion Hitch Circuit
9.80 gal/min / 37.1 L/min
Depth Of Cut - Maximum
13 ft / 3.96 m
Depth Of Spread - Maximum
15 ft / 4.57 m
Differential
38
Displacement
928 cu in / 15.2 L
Ejector Cylinder Bore
5 in / 127 mm
Ejector Cylinder Stroke
48 in / 1,219 mm
Engine Oil Fluid Capacity
9.50 gal / 36.0 L
Front Axle
52,819 lb / 23,958 kg
Front Axle - Empty
52,819 lb / 23,958 kg
Front Axle Weight - Loaded
68,823 lb / 31,218 kg
Fuel Capacity
160 gal / 605.7 L
Fuel Tank
160 gal / 605.7 L
Gross Power - Gears 1-2
359 hp / 267.7 kW
Gross Power - Gears 3-8
394 hp / 293.8 kW
Ground Clearance - Maximum
15.20 ft / 4.63 m
Heaped Capacity
23.10 yd³ / 17.66 m³
Hydraulic Output
55 gal/min / 208.2 L/min
Hydraulic Reservoir
37 gal / 140.1 L
Hydraulic System Fluid Capacity
37 gal / 140.1 L
Length - Flights
89 in / 2,261 mm
Length - Overall
146.90 in / 3,731 mm
Max Depth Of Cut
13 ft / 3.96 m
Max Speed Forward
32 mph / 51.5 km/h
Max Speed Reverse
5.70 mph / 9.2 km/h
Net Power
330 hp / 246.1 kW
Net Power - Gears 1-2
330 hp / 246.1 kW
Net Power - Gears 3-8
365 hp / 272.2 kW
Number of Forward Gears
8
Number of Reverse Gears
1
Rated Load
55,115
Rear Axle
29,711 lb / 13,477 kg
Rear Axle - Empty
29,711 lb / 13,477 kg
Rear Axle - Loaded
68,823 lb / 31,218 kg
Rear Axle - Weight - Loaded
68,823 lb / 31,218 kg
Relief Valve - Implement Circuit
2,510 psi / 173.1 bar
Relief Valve - Steering Circuit
2,250 psi / 155.1 bar
Reverse
5.70
Scraper Circuit
63.70 gal/min / 241.1 L/min
Scraper Shipping
28,419
Spacing Of Flights
20
Steering
Width - 180 Degrees Turn
Steering Circuit
55 gal/min / 208.2 L/min
Stroke
6.50 in / 165 mm
Total Shipping
81,196
Tractor Engine
15
Tractor Shipping
52,778
Transmission
1 Forward
Transmission Fluid Capacity
19 gal / 71.9 L
Wheel Coolant - Each
12
Wheel Coolant Fluid Capacity - Each
12 gal / 45.4 L
Width - 180 Degrees Turn
35.90 ft / 10.94 m
Width - Cut - To Router Bits
138 in / 3,505 mm
Width - Flight Face
8.50 ft / 2.59 m
Hydraulics
Cutting Edge Thickness
1.20
Other
Travel Speed - Maximum
32 mph / 51.5 km/h
Compensator Settings - Elevator Circuit
5,246 psi / 361.7 bar
Cooling System
28 gal / 106.0 L
Crankcase
9.50 gal / 36.0 L
Final Drive - Each
5
Floor Cylinder Bore
6 in / 152 mm
Floor Cylinder Stroke
53.30 in / 1,354 mm
Hydraulic Penetration Force
33,750 lb / 15,309 kg
Supplemental Steering Circuit
39.90 gal/min / 151.0 L/min
Transmission
19
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Frequently Asked Questions
How powerful is the Caterpillar 623G Motor Scraper engine? +
The Caterpillar 623G Motor Scraper produces 359 hp (267.7 kW) of engine power. This output is typical for its weight class and designed to handle demanding Motor Scraper work cycles efficiently.
How does the Caterpillar 623G Motor Scraper compare to similar Motor Scraper models? +
You can compare the Caterpillar 623G Motor Scraper side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.