623G Wheel Tractor Scraper

Overview & Specifications

Overview & Specifications

Engine

Flywheel Power: Tractor/Scraper
246 kW (330 hp)
246 kW (330 hp)
Tractor Engine
Cat® C15 ACERT™
Cat® C15 ACERT™
Net Power - Gears 1 - 2
330 hp
246 kW
Net Power - Gears 3-8
365 hp
272 kW
Gross Power - Gears 1 - 2
359 hp
268 kW
Gross Power - Gears 3-8
394 hp
294 kW
Bore
5.5 in
140 mm
Stroke
6.5 in
165 mm
Displacement
928 in3
15.2 L
Net Power
330 hp
246 kW

Transmission

Top Speed (Loaded)
32 mph
51.5 km/h
1 Forward
3.1 mph
5 km/h
2 Forward
4.7 mph
7.6 km/h
3 Forward
6.8 mph
10.9 km/h
4 Forward
9.2 mph
14.8 km/h
5 Forward
12.4 mph
19.9 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
Reverse
5.7 mph
9.2 km/h

Hydraulics

Bowl Cylinder Bore
6 in
152 mm
Bowl Cylinder Stroke
20 in
508 mm
Floor Cylinder Bore
6 in
152 mm
Floor Cylinder Stroke
53.25 in
1353 mm
Ejector Cylinder Bore
5 in
127 mm
Ejector Cylinder Stroke
48 in
1220 mm
Steering Circuit
55 gal/min
209 L/min
Scraper Circuit
63.7 gal/min
241 L/min
Cushion Hitch Circuit
9.8 gal/min
37 L/min
Supplemental Steering Circuit
39.9 gal/min
150 L/min
Relief Valve - Steering Circuit
2250 psi
15500 kPa
Relief Valve - Implement Circuit
2510 psi
17300 kPa
Compensator Settings - Cushion Hitch Circuit
2175 psi
16000 kPa
Compensator Settings - Elevator Circuit
5246 psi
36175 kPa

Scraper Bowl

Scraper Capacity: Heaped
23 yd3
17.5 m3
Rated Load
55115 lb
25000 kg
Capacity Struck
18 yd3
13.8 m3
Depth of Cut - max
13 in
330 mm
Width of Cut, to Router Bits
138 in
3505 mm
Ground Clearance - max
15.2 in
387 mm
Cutting Edge thickness
1.14 in.
29 mm
Hydraulic Penetration Force
33750 lb
150 kN
Depth of Spread - max
15 in
380 mm

Elevator

Length - overall
146.9 in
3730 mm
Width of Flight Face
8.5 in
217 mm
Length of Flights
89 in
2260 mm
Spacing of Flights
20 in
510 mm
Number of Flights
15
15

Steering

Width - 180° Turn
35.9 ft
10.9 m
Steering Angle – Right
90°
90°
Steering Angle – Left
85°
85°
Hydraulic Output
55 gal/min
209 L/min

Service Refill Capacities

Fuel Tank
160 gal
606 L
Crankcase
9.5 gal
36 L
Transmission
19 gal
72 L
Differential
38 gal
144 L
Final Drive (each side)
5 gal
19 L
Wheel Coolant (each)
12 gal
45 L
Cooling System
28 gal
107 L
Hydraulic Reservoir
37 gal
140 L

Weights

Total Operating - empty
82530 lb
37435 kg
Front Axle
52819 lb
23958 kg
Rear Axle
29711 lb
13477 kg
Total Shipping
81196 lb
36830 kg
Tractor Shipping
52778 lb
23940 kg
Scraper Shipping
28419 lb
12891 kg
Total Operating - loaded
137646 lb
62435 kg
Front Axle Weight - loaded
68823 lb
31218 kg
Rear Axle Weight - loaded
68823 lb
31218 kg

Dimensions

Height - overall shipping
146 in
3708 mm
Length - overall machine
520 in
13209 mm
Width - overall machine
140 in
3556 mm
Height - top of cab
134.8 in
3423 mm
Height - scraper blade max.
15 in
380 mm
Width - tractor
123.2 in
3130 mm
Width - inside of bowl
116 in
2946 mm
Width - rear tire center lines
85.8 in
2180 mm
Width - outside rear tires
120 in
3048 mm
Rim radius
17 in
432 mm
Front of Tractor to Front Axle
120.4 in
3058 mm
Wheelbase
314 in
7976 mm
Rear Axle to Rear of Machine
85.7 in
2176 mm
Ground Clearance, Tractor
21.8 in
553 mm
  
  
 

Cat Products & Services

The Cat equipment product line, consists of more than 300 products for the construction and mining equipment, diesel and natural gas engines, industrial gas turbines, and has a wide offering of related services.

About Caterpillar Inc.

Caterpillar is the world's leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives.

Learn more about:

  • Company
  • Brands
  • Sustainability
  • Innovation
  • News
  • Investors
  • Visitors Center
  • Careers
Visit Caterpillar Inc. Visit Caterpillar.com