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651 Partial Wheel Tractor-Scraper
631 Partial Wheel Tractor-Scraper

Engine

Tractor Engine Cat® C18 Cat® C18 -
Note Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA. Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA. -
Flywheel Power - Tractor - 570 HP -

Tractor Engine

Gross Power (SAE J1995) 637 HP - -
Net Power (SAE J1349/ISO 9249) 592 HP - -
Bore 5.7 in - -
Stroke 7.2 in - -
Displacement 1105 in³ - -

Transmission

Top Speed - Loaded 34.9 mile/h 34.7 mile/h -
1 Forward 3.5 mile/h 3.4 mile/h -
2 Forward 6.5 mile/h 6.2 mile/h -
3 Forward 7.8 mile/h 7.7 mile/h -
4 Forward 10.6 mile/h 10.5 mile/h -
5 Forward 14.2 mile/h 14.1 mile/h -
6 Forward 19.2 mile/h 19 mile/h -
7 Forward 25.7 mile/h 25.7 mile/h -
8 Forward 34.9 mile/h 34.7 mile/h -
Reverse 6.7 mile/h 6.2 mile/h -

Standards

Brakes ISO 3450:2011 ISO 3450:2011 -
ROPS/FOPS ROPS: ISO 3471:2008 for up to 26 600 kg (58,643 lb). FOPS: ISO 3449:2005 Level II ROPS: ISO 3471:2008. FOPS:ISO 3449:2005 Level II. -
Cab Seat Belt: SAE J386:AUG2012 Seat Belt: SAE J386:FEB2006 -

Steering

Width - 180° Turn - Right 44.6 ft - -
Width - 180° Turn - Left 47.57 ft - -
Steering Angle - Right 90 - -
Steering Angle - Left 85 - -
Width - 180° Turn - 40.2 ft -

Service Refill Capacities - Tractor

Fuel Tank 430.1 gal (US) 231 gal (US) -
Crankcase 10 gal (US) 13.7 gal (US) -
Transmission 35.9 gal (US) 29 gal (US) -
Differential 36 gal (US) 41.7 gal (US) -
Final Drive - Each 6 gal (US) 5 gal (US) -
Cooling System 23.4 gal (US) 19.8 gal (US) -
Hydraulic Reservoir 39.6 gal (US) 37.5 gal (US) -
Windshield Washer 0.5 gal (US) 1.3 gal (US) -
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