Caterpillar 633E Series II Motor Scraper Specs
Overview
The Caterpillar 633E Series II 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 450 hp, capacity of 31 yd3, travel speed of 33.0 mph, fuel capacity of 215.0 gal and hydraulic capacity of 50.0 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 633E Series II Motor Scraper against similar motor scraper models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Net Power
450
hp
Gross Power
490
hp
Rated Payload
82,012
lb
Overall Length
48.56
in
Full Specifications
98 specs
Dimensions
Capacity - Struck
23.20 yd³ / 17.74 m³
Front Of Tractor To Front Axle
132.20 in / 3,358 mm
Gross Power
490 hp / 365.4 kW
Height - Overall Shipping
166.90 in / 4,239 mm
Height - Scraper Blade Maximum
17.70 ft / 5.39 m
Height - Top Of Cab
12.20 ft / 3.72 m
Length - Overall Machine
583.21 in / 14,814 mm
Model
3408TA
Number Of Flights
14
Overall Height
13.92 ft / 4.24 m
Overall Length
48.56 in / 1,233 mm
Overall Width
13 ft / 3.96 m
Rated Payload
82,012 lb / 37,200 kg
Rear Axle - Rear Of Machine
95.75 in / 2,432 mm
Total Operating - Empty
112,678 lb / 51,110 kg
Wheel Base
29.60 in / 752 mm
Wheelbase
29.60 ft / 9.02 m
Width - Inside Of Bowl
134 in / 3,404 mm
Width - Outside Rear Tires
143.20 in / 3,637 mm
Width - Overall Machine
159.50 in / 4,051 mm
Width - Rear Tire Center Lines
97 in / 2,464 mm
Width - Tractor
137 in / 3,480 mm
Width Of Cut
11.50 ft / 3.51 m
Engine
1 Forward
3 mph / 4.8 km/h
2 Forward
5.30 mph / 8.5 km/h
3 Forward
7.40 mph / 11.9 km/h
3408E
1
4 Forward
10.10 mph / 16.3 km/h
5 Forward
13.50 mph / 21.7 km/h
6 Forward
18.30 mph / 29.5 km/h
7 Forward
24.70 mph / 39.8 km/h
8 Forward
33.40 mph / 53.8 km/h
Bore
5.40 in / 137 mm
Bowl Cylinder Bore
7.30 in / 185 mm
Bowl Cylinder Stroke
20 in / 508 mm
Caterpillar Net Power
490 hp / 365.4 kW
Compensator Settings - Cushion Hitch Circuit
2,300 psi / 158.6 bar
Cushion Hitch Circuit
9 gal/min / 34.1 L/min
Depth Of Cut - Maximum
17 ft / 5.18 m
Depth Of Spread - Maximum
22.80 ft / 6.95 m
Differential
36
Din 70020
508
Displacement
1,099 cu in / 18.0 L
Eec 80/1269
490
Ejector Cylinder Bore
6.50 in / 165 mm
Ejector Cylinder Stroke
61.10 in / 1,552 mm
Front Axle
72,051 lb / 32,682 kg
Front Axle Weight - Loaded
99,236 lb / 45,013 kg
Fuel Tank
215 gal / 813.9 L
Gross Power - Gears 1-2
475 hp / 354.2 kW
Gross Power - Gears 3-8
515 hp / 384.0 kW
Ground Clearance - Maximum
19.80 ft / 6.04 m
Ground-Driven Secondary Steering System
52 gal/min / 196.8 L/min
Heaped Capacity
34.10 yd³ / 26.07 m³
Hydraulic Output
96.20 gal/min / 364.2 L/min
Hydraulic Reservoir
50 gal / 189.3 L
Iso 9249
490
Length - Flights
113.80 in / 2,891 mm
Length - Overall
177.10 in / 4,498 mm
Max Depth Of Cut
24.10 ft / 7.35 m
Max Speed Forward
33 mph / 53.1 km/h
Net Power
490 hp / 365.4 kW
Net Power - Gears 1-2
450 hp / 335.6 kW
Net Power - Gears 3-8
490 hp / 365.4 kW
Rated Load
82,000
Rear Axle
40,529 lb / 18,384 kg
Rear Axle - Weight - Loaded
95,344 lb / 43,247 kg
Relief Valve - Implement Circuit
2,500 psi / 172.4 bar
Relief Valve - Steering Circuit
1,960 psi / 135.1 bar
Reverse
6.20
Sae J1349
485
Scraper Capacity - Heaped
34
Scraper Circuit
91 gal/min / 344.5 L/min
Scraper Shipping
64,958
Spacing Of Flights
24
Steering
Width - 180 Degrees Turn
Steering Circuit
103 gal/min / 389.9 L/min
Stroke
6 in / 152 mm
Struck Capacity
23.20 yd³ / 17.74 m³
Total Shipping
111,158
Tractor Engine
3,408
Tractor Shipping
46,200
Transmission
1 Forward
Wheel Coolant - Each
19.50
Width - 180 Degrees Turn
40.10 in / 1,019 mm
Width - Cut - To Router Bits
11.50 ft / 3.51 m
Width - Flight Face
9.80 ft / 2.99 m
Hydraulics
Cutting Edge Thickness
1.40
Other
Compensator Settings - Elevator Circuit
5,300 psi / 365.4 bar
Cooling System
33 gal / 124.9 L
Crankcase
11.70 gal / 44.3 L
Final Drive - Each
7
Floor Cylinder Bore
6.30 in / 160 mm
Floor Cylinder Stroke
52.30 in / 1,328 mm
Hydraulic Penetration Force
87,608 lb / 39,738 kg
Net Power
450 hp / 335.6 kW
Supplemental Steering Circuit
77 gal/min / 291.5 L/min
Transmission
33
Related Machines
Related Guides & Articles
Frequently Asked Questions
How powerful is the Caterpillar 633E Series II Motor Scraper engine? +
The Caterpillar 633E Series II Motor Scraper produces 490 hp (365.4 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 633E Series II Motor Scraper compare to similar Motor Scraper models? +
You can compare the Caterpillar 633E Series II 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.