627G
Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Caterpillar Wheel Tractor- Scrapers to consistently deliver high productivity at the lowest cost per ton.
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631G
611
621F
621G
627F
627G
631E Series II
631G
637E Series II
637G
651E
627G Wheel Tractor Scraper
Overview & Specifications
Engine
Tractor Engine
Cat® C15 ACERT™
Cat® C15 ACERT™
Scraper Engine
Cat C9 ACERT™
Cat C9 ACERT™
Tractor Engine
Flywheel Power: Tractor/Scraper
246 kW (330 hp) / 178 kW (239 hp)
246 kW (330 hp) / 178 kW (239 hp)
Gross Power - Gears 1-2
359 hp
268 kW
Gross Power - Gears 3-8
394 hp
294 kW
Net Power - Gears 1-2
330 hp
246 kW
Net Power - Gears 3-8
365 hp
272 kW
Bore
5.5 in
140 mm
Stroke
6.5 in
165 mm
Displacement
928 in3
15.2 L
Scraper Engine
Gross Power - Gear 1
258 hp
192 kW
Gross Power - Gears 2-4
286 hp
213 kW
Net Power - Gear 1
239 hp
178 kW
Net Power - Gears 2-4
266 hp
198 kW
Bore
4.41 in
112 mm
Stroke
5.87 in
149 mm
Displacement
538 in3
8.8 L
Scraper Bowl
Scraper Capacity: Heaped
22 yd3
17 m3
Rated Load
52800 lb
23950 kg
Capacity Struck
15.7 yd3
12 m3
Depth of Cut - max.
13.1 in
333 mm
Width of Cut, to Router Bits
119 in
3023 mm
Ground Clearance - max.
20.6 in
522 mm
Cutting Edge - thickness
0.88 in.
22 mm
Hyd. Penetration Force - 627G
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
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
32 in
813 mm
Apron Cylinder Bore
7.25 in
184 mm
Apron Cylinder Stroke
23.5 in
597 mm
Ejector Cylinder Bore
6.5 in
165 mm
Ejector Cylinder Stroke
61 in
1549 mm
Steering Circuit
55 gal/min
209 L/min
Scraper Circuit
65.5 gal/min
284 L/min
Cushion Hitch Circuit
9.8 gal/min
37 L/min
Secondary Steering Circuit
39.9 gal/min
150 L/min
Relief Valve - Steering Circuit
2250 psi
15500 kPa
Relief Valve - Implement Circuit
2175 psi
15000 kPa
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 – Tractor
Crankcase
9.5 gal
36 L
Transmission
19 gal
72 L
Differential
38 gal
144 L
Final Drive (per side)
5 gal
19 L
Cooling System
28 gal
107 L
Hydraulic Reservoir
37 gal
140 L
Wheel Coolant (each)
12 gal
45 L
Windshield Washer
1.5 gal
6 L
Service Refill Capacities – Scraper
Fuel Tank - 627G
292 gal
1105 L
Crankcase
7 gal
30 L
Transmission
15.6 gal
59 L
Differential
4 gal
15 L
Final Drive (per side)
5 gal
19 L
Wheel Coolant (each)
12 gal
45 L
Cooling System
20.3 gal
77 L
Dimensions
Width - overall machine
136.5 in
3467 mm
Width - tractor
123.25 in
3130 mm
Width - rear tire center lines
85.8 in
2180 mm
Width - inside of bowl
116 in
2946 mm
Width - outside rear tires
120 in
3048 mm
Height - overall shipping
145.9 in
3705 mm
Height - top of cab
134.75 in
3423 mm
Ground Clearance, Tractor
21.75 in
553 mm
Front of Tractor to Front Axle
120.4 in
3058 mm
Rim radius
17 in
432 mm
Axle to Vertical Hitch Pin
17 in
432 mm
Height - scraper blade max.
20.6 in
522 mm
Wheelbase
304 in
7722 mm
Length - overall machine
508.5 in
12917 mm
Rear Axle to Rear of Machine
84.3 in
2142 mm
Bail Length - max. (push-pull)
63.5 in
1612 mm
Extended Push Block (push-pull)
109.7 in
2786 mm
Weights - Standard, tandem
Total Shipping
82113 lb
37246 kg
Tractor Shipping
48447 lb
21975 kg
Scraper Shipping
33666 lb
15271 kg
Total Operating - empty
83441 lb
27848 kg
Front Axle
49230 lb
22330 kg
Rear Axle
34211 lb
15518 kg
Total Operating - loaded
136241 lb
61798 kg
Front Axle Weight - loaded
65396 lb
29663 kg
Rear Axle Weight - loaded
70845 lb
32135 kg
Weights - Push-Pull
Total Shipping
85473 lb
38770 kg
Tractor Shipping
52139 lb
23650 kg
Scraper Shipping
33335 lb
15120 kg
Total Operating - empty
86800 lb
39372 kg
Front Axle
52080 lb
23623 kg
Rear Axle
34720 lb
15749 kg
Total Operating - loaded
139601 lb
63332 kg
Front Axle - loaded
68405 lb
31028 kg
Rear Axle (Loaded)
71197 lb
32294 kg
Weights
Operating Weight
136905 lb
62099 kg