Caterpillar 637E Series II Motor Scraper
Dimensions
Dimensions
Overall Length
47.77ft in
Overall Width
12.93ft in
Overall Height
14.08ft in
Wheelbase
28.78ft in
Height - Top Of Cab
12.19ft in
Length - Overall Machine
573.5in
Rear Axle - Rear Of Machine
95.75in
Wheel Base
28.78ft in
Width - Inside Of Bowl
134in
Width - Outside Rear Tires
143in
Width - Overall Machine
155in
Width - Rear Tire Center Lines
97in
Bail Length - Maximum (Push-Pull)
76in
Width - Tractor
137in
Front Of Tractor To Front Axle
132.25in
Height - Overall Shipping
168.75in
Height - Scraper Blade Maximum
21.5in
Specifications
Fuel Tank
Fuel Tank Capacity Scraper
335gal
Tractor Engine
Model
3408TA
Gross Power
490hp
Net Power
450hp
Displacement
1099cu in
Engine
Tractor Engine
Cat 3408E
Flywheel Power - Tractor/Scraper
365 kW (490 hp)/186 kW (250 hp)
Tractor Engine
Net Power - Gears 1-2
450hp
Gross Power - Gears 1-2
475hp
Caterpillar Net Power
490hp
Iso 9249
490hp
Eec 80/1269
490hp
Sae J1349
485hp
Bore
5.4in
Stroke
6in
Net Power - Gears 3-8
490hp
Gross Power - Gears 3-8
515hp
Engine
Scraper Engine
3306
Gross Power Tractor Gears 1-2
475hp
Gross Power Tractor Gears 3-8
515hp
Gross Power Tractor
475hp
Gross Power Scraper
270hp
Net Power Tractor Gears 1-2
450hp
Net Power Tractor Gears 3-8
490hp
Scraper Engine
Model
3306TA
Gross Power
250hp
Displacement
638cu in
Bore
4.8in
Stroke
6in
Net Power - Gear 1
250hp
Gross Power - Gear 1
270hp
Iso 9249
250hp
Caterpillar Net Power
250hp
Eec 80/1269
250hp
Sae J1349
247hp
Operational
Fuel Capacity
335gal
Tire Size
37.25R35 E2/E3
Transmission
Max Speed Forward
33mph
Reverse
6.2 mile/h
Steering
Width - 180 Degrees Turn
40.1ft in
Steering Angle - Right
90 degrees
Steering Angle - Left
85 degrees
Hydraulic Output
96.2 gal/min
Transmission
1 Forward
3.4mph
2 Forward
6.2mph
3 Forward
7.6mph
4 Forward
10.3mph
5 Forward
13.8mph
6 Forward
18.7mph
7 Forward
25.2mph
8 Forward
34.1mph
Steering
Ground-Driven Secondary Steering System
52 gal/min
Weights
Total Operating - Empty
112413.8lb
Operating Weight
112670lb
Operating Weight - Loaded - Approximate
113580lb
Bowl
Rated Payload
75001.3lb
Heaped Capacity
31yd3
Struck Capacity
21.1yd3
Max Depth Of Cut
17.3in
Width Of Cut
11.6ft in
Operating Specifications
Top Speed - Loaded
34.1mph
Rated Load
75000lb
Scraper Capacity - Struck
41yd3
Scraper Capacity - Heaped
50yd3
Hydraulics
Bowl Cylinder Bore
7.2in
Bowl Cylinder Stroke
34.4in
Steering Circuit
103 gal/min
Scraper Circuit
91 gal/min
Cushion Hitch Circuit
9 gal/min
Relief Valve - Steering Circuit
1960 psi
Relief Valve - Implement Circuit
2000 psi
Compensator Settings - Cushion Hitch Circuit
2300.01 psi
Ejector Cylinder Bore
8.2in
Ejector Cylinder Stroke
74in
Secondary Steering Circuit
77 gal/min
Apron Cylinder Bore
8.2in
Apron Cylinder Stroke
28.6in
Scraper Bowl
Width - Cut - To Router Bits
138.3in
Rated Load
75000lb
Capacity - Struck
21yd3
Depth Of Cut - Maximum
17.2in
Ground Clearance - Maximum
21.5in
Cutting Edge Thickness
1.7in
Depth Of Spread - Maximum
18.9in
Scraper Capacity - Heaped
31yd3
Hyd. Penetration Force - 621g
81000lb
Apron Closure Force
38250lb
Apron Opening
79in
Service Refill Capacities - Tractor
Transmission
33gal
Differential
36gal
Final Drive - Each
7gal
Cooling System
33gal
Hydraulic Reservoir
50gal
Crankcase
11.7gal
Wheel Coolant - Each
19.5gal
Weights - Standard, Tandem
Total Shipping
110686lb
Tractor Shipping
44274lb
Scraper Shipping
66412lb
Total Operating - Empty
112670lb
Front Axle
66475lb
Rear Axle
46195lb
Total Operating - Loaded
187670lb
Front Axle Weight - Loaded
91958lb
Rear Axle - Weight - Loaded
95712lb
