627F
The Cat 627F Scraper's rugged construction and easy maintenance assure long life with low operating costs. The scraper bowl design combined with hydraulic ejection provides fast cycle times for high productivity. Also available in an auger configuration.
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631G
611
621F
621G
627F
627G
631E Series II
631G
637E Series II
637G
651E
627F Wheel Tractor-Scraper
Overview & Specifications
Engine
Tractor Engine
3306 / 3406C
3306 / 3406C
Scraper Engine
3306
3306
Tractor Engine
Gross Power - Gears 1-2
347 hp
259 kW
Net Power - Gears 1-2
330 hp
246 kW
Caterpillar Net Power
330 hp
246 kW
ISO 9249
330 hp
246 kW
EEC 80/1269
330 hp
246 kW
SAE J1349
327 hp
244 kW
Bore
5.4 in
137 mm
Stroke
6.5 in
165 mm
Displacement
893 in3
14.6 L
Scraper Engine
Gross Power - Gear 1
246 hp
185 kW
Net Power - Gear 1
225 hp
168 kW
Caterpillar Net Power
225 hp
168 kW
ISO 9249
225 hp
168 kW
EEC 80/1269
225 hp
168 kW
SAE J1349
223 hp
166 kW
Bore
4.75 in
121 mm
Stroke
6 in
152 mm
Displacement
638 in3
10.5 L
Scraper Bowl
Scraper Capacity: Heaped
20 yd3
15.3 m3
Rated Load
48000 lb
21775 kg
Capacity Struck
14 yd3
10.7 m3
Depth of Cut - max.
13.08 in
333 mm
Width of Cut, to Router Bits
119 in
3023 mm
Ground Clearance - max.
20.6 in
522 mm
Cutting Edge - thickness
1.14 in.
29 mm
Hyd. Penetration Force - 621G
48375 lb
215 kN
Depth of Spread - max.
20.6 in
522 mm
Apron Opening
70 in
1780 mm
Apron Closure Force
24075 lb
107 kN
Transmission
1 Forward
3.1 mph
5 km/h
2 Forward
5.6 mph
9 km/h
3 Forward
7.1 mph
11.4 km/h
4 Forward
9.6 mph
15.4 km/h
5 Forward
12.9 mph
20.8 km/h
6 Forward
17.5 mph
28.2 km/h
7 Forward
23.6 mph
38 km/h
8 Forward
31.9 mph
51.3 km/h
Reverse
5.7 mph
9 km/h
Hydraulics
Bowl Cylinder Bore
6 in
152 mm
Bowl Cylinder Stroke
32 in
813 mm
Apron Cylinder Bore
7.25 in
184 mm
Apron Cylinder Stroke
24 in
600 mm
Ejector Cylinder Bore
6.5 in
165 mm
Ejector Cylinder Stroke
61 in
1549 mm
Steering Circuit
52 gal/min
197 L/min
Scraper Circuit
65.5 gal/min
284 L/min
Cushion Hitch Circuit
9.2 gal/min
34 L/min
Secondary Steering Circuit
37 gal/min
140 L/min
Relief Valve - Steering Circuit
2250 psi
15500 kPa
Relief Valve - Implement Circuit
2150 psi
13800 kPa
Steering
Width - 180° Turn
35.75 ft
10.9 m
Steering Angle – Right
90°
90°
Steering Angle – Left
85°
85°
Service Refill Capacities – Tractor
Crankcase
9.5 gal
36 L
Transmission
19 gal
72 L
Differential
43 gal
163 L
Final Drive (per side)
5 gal
19 L
Cooling System
22 gal
83 L
Hydraulic Reservoir
37 gal
140 L
Wheel Coolant (each)
12 gal
45 L
Dimensions
Width - overall machine
136 in
3454 mm
Width - tractor
117 in
2972 mm
Width - rear tire center lines
87 in
2210 mm
Width - inside of bowl
116 in
2946 mm
Width - outside rear tires
120 in
3048 mm
Height - overall shipping
146 in
3708 mm
Height - top of cab
133 in
3378 mm
Ground Clearance, Tractor
1.83 in
559 mm
Front of Tractor to Front Axle
10.42 in
3175 mm
Axle to Vertical Hitch Pin
17 in
432 mm
Height - scraper blade max.
21 in
533 mm
Wheelbase
304 in
7722 mm
Length - overall machine
507 in
12878 mm
Rear Axle to Rear of Machine
85 in
2159 mm
Bail Length - max. (push-pull)
60 in
1524 mm
Extended Push Block (push-pull)
110 in
2794 mm
Weights - Standard, tandem
Total Shipping
83768 lb
37990 kg
Tractor Shipping
51098 lb
23174 kg
Scraper Shipping
32669 lb
14816 kg
Total Operating - empty
84050 lb
38118 kg
Front Axle
49590 lb
22490 kg
Rear Axle
34460 lb
15628 kg
Total Operating - loaded
132057 lb
59890 kg
Front Axle Weight - loaded
64708 lb
29346 kg
Rear Axle Weight - loaded
67350 lb
30544 kg
Weights
Operating Weight
84050 lb
38118 kg