Caterpillar 621F Motor Scraper
Units
Dimensions
Dimensions
A
Overall Length
42.43ft in
B
Overall Width
11.39ft in
C
Overall Height
12.18ft in
D
Wheelbase
25.33ft in
Height - Scraper Blade Maximum
21in
Height - Top Of Cab
11.09ft in
Length - Overall Machine
507in
Rear Axle - Rear Of Machine
85in
Wheel Base
25.34ft in
Width - Inside Of Bowl
116in
Width - Outside Rear Tires
120in
Width - Overall Machine
136in
Width - Rear Tire Center Lines
87in
Axle To Vertical Hitch Pin
17in
Width - Tractor
117in
Front Of Tractor To Front Axle
125in
Ground Clearance - Tractor
22in
Height - Overall Shipping
132in
Specifications
Tractor Engine
Model
3406CTA
Gross Power
330hp
Displacement
893cu in
Engine
Tractor Engine
3406C
Tractor Engine
Net Power - Gears 1-2
330hp
Gross Power - Gears 1-2
347hp
Caterpillar Net Power
333hp
Iso 9249
330hp
Eec 80/1269
330hp
Sae J1349
327hp
Bore
5.4in
Stroke
6.5in
Operational
Fuel Capacity
215.1gal
Transmission
Max Speed Forward
31.7mph
Reverse
5.7 mile/h
Steering
Width - 180 Degrees Turn
35.8ft in
Steering Angle - Right
90 degrees
Steering Angle - Left
85 degrees
Hydraulic Output
52 gal/min
Transmission
1 Forward
3.1mph
2 Forward
5.6mph
3 Forward
7.1mph
4 Forward
9.6mph
5 Forward
12.9mph
6 Forward
17.5mph
7 Forward
23.6mph
8 Forward
31.9mph
Steering
Ground-Driven Secondary Steering System
39.9 gal/min
Weights
Total Operating - Empty
70746.4lb
Operating Weight
70715lb
Bowl
Rated Payload
47994.7lb
Heaped Capacity
20.1yd3
Struck Capacity
14yd3
Max Depth Of Cut
13.2in
Width Of Cut
10ft in
Hydraulics
Bowl Cylinder Bore
6in
Bowl Cylinder Stroke
32in
Steering Circuit
52 gal/min
Scraper Circuit
65.5 gal/min
Cushion Hitch Circuit
9.7 gal/min
Relief Valve - Steering Circuit
2250 psi
Relief Valve - Implement Circuit
2150 psi
Ejector Cylinder Bore
6.5in
Ejector Cylinder Stroke
61in
Secondary Steering Circuit
37 gal/min
Apron Cylinder Bore
7.3in
Apron Cylinder Stroke
24in
Scraper Bowl
Width - Cut - To Router Bits
119in
Rated Load
48000lb
Capacity - Struck
14yd3
Depth Of Cut - Maximum
13.2in
Ground Clearance - Maximum
20.5in
Cutting Edge Thickness
1.2in
Depth Of Spread - Maximum
70.1in
Scraper Capacity - Heaped
30yd3
Hyd. Penetration Force - 621g
33840lb
Apron Closure Force
24075lb
Apron Opening
70.1in
Service Refill Capacities - Tractor
Transmission
19gal
Differential
43gal
Final Drive - Each
5gal
Cooling System
22gal
Hydraulic Reservoir
37gal
Crankcase
9.5gal
Wheel Coolant - Each
12gal
Weights - Standard, Tandem
Total Shipping
69658lb
Tractor Shipping
47943lb
Scraper Shipping
21715lb
Total Operating - Empty
70715lb
Front Axle
48109lb
Rear Axle
22638lb
Total Operating - Loaded
118707lb
Front Axle Weight - Loaded
62915lb
Rear Axle - Weight - Loaded
55792lb
