# 2004 Caterpillar 631G for Sale in Edmonton, AB **URL:** ## Listing details - **Price:** $229,500.00 USD - **Listing ID:** 86673706 - **Year:** 2004 - **Manufacturer:** Caterpillar - **Model:** 631G - **Category:** Scrapers - **Type:** Open Bowl Scrapers - **Hours:** 15789 - **Serial number:** CLR00419 - **Location:** Edmonton, AB ## Description Online Owner's Manual ## Manufacturer specifications ### Bowl - **Heaped Capacity:** 31 cu yd - **Max Depth Of Cut:** 17.2 in (43.69 cm) - **Rated Payload:** 75000 lbs (34019.47 kg) - **Struck Capacity:** 21 cu yd - **Width Of Cut:** 11.6 ft (3.54 m) ### Dimensions - **Axle To Vertical Hitch Pin:** 21.6 in (54.86 cm) - **Front Of Tractor To Front Axle:** 132.25 lb/in - **Ground Clearance - Tractor:** 26.2 lb/in - **Height:** 14.0833 ft (4.29 m) - **Height - Overall Shipping:** 167.75 in (426.08 cm) - **Height - Scraper Blade Maximum:** 21.5 in (54.61 cm) - **Height - Top Of Cab:** 146.25 lb/in - **Height To Top Of Cab:** 12.19 ft (3.72 m) - **Length:** 47.75 ft (14.55 m) - **Length - Overall Machine:** 573.4 in (1456.44 cm) - **Overall Height:** 14.07 ft (4.29 m) - **Overall Length:** 47.78 ft (14.56 m) - **Overall Width:** 12.92 ft (3.94 m) - **Rear Axle - Rear Of Machine:** 95.8 lb/in - **Tractor Ground Clearance:** 2.19 ft (0.67 m) - **Weight:** 102460 lbs (46467.12 kg) - **Wheel Base:** 345.25 lb/in - **Wheelbase:** 28.77 ft (8.77 m) - **Width:** 12.9167 ft (3.94 m) - **Width - Inside Of Bowl:** 134 in (340.36 cm) - **Width - Outside Rear Tires:** 143.2 in (363.73 cm) - **Width - Overall Machine:** 155 lb/in - **Width - Rear Tire Center Lines:** 97 lb/in - **Width - Tractor:** 137 in (347.98 cm) ### Engine - **Tractor Engine:** 3408E ### Hydraulics - **Apron Cylinder Bore:** 8.2 in (20.83 cm) - **Apron Cylinder Stroke:** 28.6 in (72.64 cm) - **Bowl Cylinder Bore:** 7.2 in (18.29 cm) - **Bowl Cylinder Stroke:** 34.4 in (87.38 cm) - **Compensator Settings - Cushion Hitch Circuit:** 2320 psi - **Cushion Hitch Circuit:** 9 gpm (34.07 lpm) - **Ejector Cylinder Bore:** 8.3 in (21.08 cm) - **Ejector Cylinder Stroke:** 74 in (187.96 cm) - **Relief Valve - Implement Circuit:** 2030 psi - **Relief Valve - Steering Circuit:** 1987 psi - **Scraper Circuit:** 91 gpm (344.44 lpm) - **Secondary Steering Circuit:** 77 gpm (291.45 lpm) - **Steering Circuit:** 103 gpm (389.86 lpm) ### Operational - **Alternator Supplied Amperage:** 75 amps - **Cooling System Fluid Capacity:** 32 gal (121.12 l) - **Differential Fluid Capacity:** 36 gal (136.26 l) - **Engine Oil Fluid Capacity:** 11.7 gal (44.28 l) - **Fuel Capacity:** 215.1 gal (814.15 l) - **Hydraulic System Fluid Capacity:** 50.2 gal (190.01 l) - **Operating Voltage:** 24 V - **Tire Size:** 37.50-R35 - **Transmission Fluid Capacity:** 33 gal (124.91 l) - **Wheel Coolant Fluid Capacity - Each:** 19.8 gal (74.94 l) ### Scraper Bowl - **Apron Closure Force:** 38250 lbs (17349.93 kg) - **Apron Opening:** 79 in (200.66 cm) - **Capacity - Struck:** 21 cu yd - **Capacity Heaped:** 34 cu yd - **Cutting Edge Thickness:** 1.7 in (4.32 cm) - **Depth Of Cut - Maximum:** 17.2 lb/in - **Depth Of Spread - Maximum:** 18.9 in (48.01 cm) - **Ground Clearance - Maximum:** 21.5 in (54.61 cm) - **Hyd. Penetration Force - 621g:** 57375 lbs (26024.89 kg) - **Hyd. Penetration Force - 631g:** 57375 lbs (26024.89 kg) - **Rated Load:** 75000 lbs (34019.47 kg) - **Scraper Capacity - Heaped:** 31 cu yd - **Width - Cut - To Router Bits:** 138.3 lb/in ### Service Refill Capacities - Scraper - **Wheel Coolant - Each:** 19.8 gal (74.94 l) ### Service Refill Capacities - Tractor - **Cooling System:** 32 gal (121.12 l) - **Crankcase:** 11.7 gal (44.28 l) - **Differential:** 36 gal (136.26 l) - **Final Drive - Each:** 7 gal (26.5 l) - **Fuel Tank - 631g:** 215.1 gal (814.15 l) - **Hydraulic Reservoir:** 50 gal (189.25 l) - **Transmission:** 33 gal (124.91 l) - **Wheel Coolant - Each:** 19.5 gal (73.81 l) - **Windshield Washer:** 6 gal (22.71 l) ### Standards - **Brakes:** Meets ISO 3450: 1996 standard - **Cab:** Meets ANSI, SAE - **Rops/Fops:** Meets SAE J320a, SAE J1040 MAY 94, and ISO 3471-1994 ### Steering - **Ground-Driven Secondary Steering System:** 51 gpm (193.04 lpm) - **Hydraulic Output:** 96.2 gpm (364.12 lpm) - **Steering Angle - Left:** 85 degrees - **Steering Angle - Right:** 90 degrees - **Width - 180 Degrees Turn:** 40.1 ft (12.22 m) ### Tractor Engine - **Bore:** 5.4 lb/in - **Caterpillar Net Power:** 490 hp (365.4 kw) - **Displacement:** 1099 cu in (18009.42 cu cm) - **Eec 80/1269:** 490 hp (365.4 kw) - **Flywheel Power - Tractor/Scraper:** 373 kW (500 hp) - **Gross Power:** 515 hp (384.04 kw) - **Gross Power - Gears 1-2:** 480 hp (357.94 kw) - **Gross Power - Gears 3-8:** 515 hp (384.04 kw) - **Iso 9249:** 490 hp (365.4 kw) - **Make:** Caterpillar - **Net Power - Gears 1-2:** 450 hp (335.57 kw) - **Net Power - Gears 3-8:** 490 hp (365.4 kw) - **Net Power - Tractor/Scraper:** 336 kW (450 hp) - **Sae J1349:** 490 hp (365.4 kw) - **Stroke:** 6 lb/in ### Transmission - **1 Forward:** 2.9 mph (4.67 kph) - **2 Forward:** 5.2 mph (8.37 kph) - **3 Forward:** 7.4 mph (11.91 kph) - **4 Forward:** 10 mph (16.09 kph) - **5 Forward:** 13.4 mph (21.57 kph) - **6 Forward:** 18.2 mph (29.29 kph) - **7 Forward:** 24.5 mph (39.43 kph) - **8 Forward:** 33.2 mph (53.43 kph) - **Max Speed Forward:** 33.2 mph (53.43 kph) - **Max Speed Reverse:** 6.2 mph (9.98 kph) - **Number Of Forward Gears:** 8 - **Number Of Reverse Gears:** 1 - **Reverse:** 6.2 mile/h - **Top Speed - Loaded:** 33 mph (53.11 kph) - **Transmission Type:** 8-speed automatic Powershift with Electronic Control ### Transmission - 631g - **1 Forward:** 2.9 mph (4.67 kph) - **2 Forward:** 5.2 mph (8.37 kph) - **3 Forward:** 7.4 mph (11.91 kph) - **4 Forward:** 10 mph (16.09 kph) - **5 Forward:** 13.4 mph (21.57 kph) - **6 Forward:** 18.2 mph (29.29 kph) - **7 Forward:** 24.5 mph (39.43 kph) - **8 Forward:** 33.2 mph (53.43 kph) - **Reverse:** 6.2 mph (9.98 kph) ### Weights - **Front Axel - Loaded:** 94054 lbs (42662.23 kg) - **Front Axle - Empty:** 68647.5 % - **Operating Weight:** 102460 lbs (46475.13 kg) - **Rear Axle - Empty:** 33812.3 % - **Rear Axle - Loaded:** 83406 % - **Total Operating - Empty:** 102459.8 lbs (46475.04 kg) - **Total Operating - Loaded:** 177460 lbs (80494.6 kg) ### Weights - Standard, Tandem - **Front Axle:** 68648 lbs (31138.25 kg) - **Front Axle Weight - Loaded:** 94054 lbs (42662.23 kg) - **Rear Axle:** 33812 lbs (15336.88 kg) - **Rear Axle - Weight - Loaded:** 83406 lbs (37832.37 kg) - **Scraper Shipping:** 54004 lbs (24495.83 kg) - **Total Operating - Empty:** 102460 lbs (46475.13 kg) - **Total Operating - Loaded:** 177460 lbs (80494.6 kg) - **Total Shipping:** 100006 lbs (45362.01 kg) - **Tractor Shipping:** 46002 lbs (20866.18 kg) ## About this model The Caterpillar 631G is a wheel tractor-scraper used in earthmoving, mining, road construction, and large-scale site preparation. It is part of Caterpillar's G Series scraper line and is designed for high-volume material loading, hauling, and spreading over medium to long distances. The 631G typically uses a push-pull or push-loading arrangement and is equipped with a large bowl, apron, and ejector system for efficient cut, carry, and dump cycles. Common applications include bulk excavation, embankment construction, and mass grading. The model is known for its heavy-duty frame, traction capability, and productivity in high-production earthmoving operations. ## Photos ![2004 Caterpillar 631G](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04MzViNjZmMDNjNzZmYzEwZjlkNGI3ZTc1MWE4Yjc0MSYkdHh0PUZJTk5JTkclMjBDQU5BREEmNTAzNjY=) ![2004 Caterpillar 631G photo 2](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz05ODE1MTcxZDE1Y2UyODllZjg4NGQ0MzkzNzA0ZDJhZCYkdHh0PUZJTk5JTkclMjBDQU5BREEmMTUzNDM=) ![2004 Caterpillar 631G photo 3](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz05NTgzN2MwZDMwZmRmODI3ODBhNGQ1NDYyZGM3YmI1ZCYkdHh0PUZJTk5JTkclMjBDQU5BREEmMjQ2MjY=) ![2004 Caterpillar 631G photo 4](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lMWZkNmU2N2E2ZDRhOGNiZjYwNzZkOGIyOTEwYjJlYSYkdHh0PUZJTk5JTkclMjBDQU5BREEmMTEyOTI=) ![2004 Caterpillar 631G photo 5](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lMjkwY2FmYmQ1ZjQ5NGNhZGY5MDFkM2FiNzQ3YmZmZSYkdHh0PUZJTk5JTkclMjBDQU5BREEmNDg5Mzc=) ![2004 Caterpillar 631G photo 6](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lYmU1YTY0MmIyMjIzZTBiZjEwNzZmYTI2YWZkMmFhYiYkdHh0PUZJTk5JTkclMjBDQU5BREEmNjQwMTQ=) ![2004 Caterpillar 631G photo 7](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1kOWRiMTJlZTQ3NjAzNjUxZDFjNDRmZGQ1ODVmMzFjNyYkdHh0PUZJTk5JTkclMjBDQU5BREEmNTY0OA==) ![2004 Caterpillar 631G photo 8](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1kYzVlZjVkZWU3ODg4YWIxZTljODBjOTU5NjgwNTIxZiYkdHh0PUZJTk5JTkclMjBDQU5BREEmMzAy) ![2004 Caterpillar 631G photo 9](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hYzM5NWY0MmZhZTIwMTE0OWY1MGI0Y2ZiZjAwOTc1NSYkdHh0PUZJTk5JTkclMjBDQU5BREEmMjQ2NzI=)