651 Wheel Tractor-Scraper
Caterpillar is excited to announce the 651 comeback into our Wheel Tractor-Scraper lineup in 2022. Delivering high levels of productivity, the 651 single engine earthmoving system is a wise choice on numerous large-scale projects by providing fast cycle times when working in lower grades and rolling resistance applications. First introduced into the Cat® Wheel Tractor-Scraper lineup in 1962, the 651 continues to uphold its legacy as one of our signaturemachines. Its single engine power gives the ability to work with a Cat D10 or D11 push dozer delivering ultra-fast load times and the ability to work in abrasive or rocky conditions. Improvements in productivity, combined with enhancements in operator comfort, and new safety features – Powered Access System and effective wet disc brakes – for a machine offering high returns on profit and time
| Tractor Engine | Cat C18 |
|---|
| Flywheel Power - Tractor/Scraper | 469kW (629 hp) |
|---|---|
| Net Power | 469 kW/637 hp |
| Gross Power (SAE J1995) | 475 kW |
| Net Power (ISO 14396) | 436 kW |
| Net Power (SAE J1349/ISO 9249) | 436 kW |
| Bore | 145 mm |
| Stroke | 183 mm |
| Displacement | 18.1 l |
| Scraper Capacity - Heaped | 33.6 m³ |
|---|---|
| Rated Load | 47200 kg |
| Capacity - Struck | 24.5 m³ |
| Depth of Cut - Maximum | 417 mm |
| Width - Cut - To Router Bits | 3.8 m |
| Ground Clearance - Maximum | 0.7 m |
| Hyd. Penetration Force - 657G | 542 kN |
| Depth of Spread - Maximum | 530 mm |
| Apron Opening | 2337 mm |
| Apron Closure Force | 176 kN |
| Top Speed - Loaded | 56.1 km/h |
|---|---|
| 1 Forward | 5.7 km/h |
| 2 Forward | 10.5 km/h |
| 3 Forward | 12.5 km/h |
| 4 Forward | 17 km/h |
| 5 Forward | 22.8 km/h |
| 6 Forward | 30.9 km/h |
| 7 Forward | 41.4 km/h |
| 8 Forward | 56.1 km/h |
| Reverse | 10.8 km/h |
| Total Shipping | 72804 kg |
|---|---|
| Tractor Shipping | 42472 kg |
| Scraper Shipping | 29061 kg |
| Total Operating - Empty | 74500 kg |
| Front Axle | 42566 kg |
| Rear Axle | 30238 kg |
| Total Operating - Loaded | 121700 kg |
| Front Axle - Loaded | 60856 kg |
| Rear Axle - Loaded | 59121 kg |
| Width - Overall Machine | 4.36 m |
|---|---|
| Width - Tractor | 3.75 m |
| Width - Rear Tire Center Lines | 2.81 m |
| Width - Inside of Bowl | 3.68 m |
| Width - Outside Bowl - Shipping Width | 3.93 m |
| Height - Overall Shipping | 4.66 m |
| Height - Top of Cab | 3.92 m |
| Ground Clearance - Tractor | 0.7 m |
| Front of Tractor to Front Axle | 4.55 m |
| Axle to Vertical Hitch Pin | 0.55 m |
| Height - Scraper Blade Maximum | 0.66 m |
| Wheel Base | 9.96 m |
| Length - Overall Machine | 17.97 m |
| Rear Axle - Rear of Machine | 2.46 m |
| Width - 180° Turn - Right | 13.6 m |
|---|---|
| Width - 180° Turn - Left | 14.5 m |
| Steering Angle - Right | 90 |
| Steering Angle - Left | 85 |
| Crankcase | 38 l |
|---|---|
| Transmission | 136 l |
| Differential | 136 l |
| Final Drive - Each | 29.5 l |
| Cooling System | 88.6 l |
| Hydraulic Reservoir | 150 l |
| Windshield Washer | 5 l |
| Bowl Cylinder Bore | 180 mm |
|---|---|
| Bowl Cylinder Stroke | 950 mm |
| Apron Cylinder Bore | 180 mm |
| Apron Cylinder Stroke | 759.5 mm |
| Steering Circuit (@ High Idle) | 288 l/min |
| Cushion Hitch Circuit | 74 l/min |
| Secondary Steering Circuit | 55 l/hr |
| Relief Valve - Steering Circuit | 13500 kPa |
| Relief Valve - Implement Circuit | 13780 kPa |
| Compensator Settings - Cushion Hitch Circuit | 20700 kPa |
| Fuel Tank | 1628 l |
|---|---|
| Crankcase | 34 l |
| Transmission | 121 l |
| Differential | 168 l |
| Final Drive - Each | 30 l |
| Cooling System | 63.2 l |
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