Heavy Equipment
Motor Graders
| 120H Standard Motor Grader |
120H Standard Technical Data
Specifications below are provided online by Caterpillar.
| Engine | |
|---|---|
| Base Power (all gears) Net | 93 kW / 125 hp |
| VHP - gears 1-3 Net | 93 kW / 125 hp |
| VHP - gears 4-8 Net | 104 kW / 140 hp |
| VHP - gears 1-3 Gross | 101 kW / 136 hp |
| VHP - gears 4-8 Gross | 113 kW / 151 hp |
| Engine Model | Cat 3116 TA |
| Displacement | 6.6 L / 403 in³ |
| Bore | 105 mm / 4.13 in |
| Stroke | 127 mm / 5 in |
| Number of cylinders | 6 |
| Derating altitude | 4500 m / 14764 ft |
| Power Train | |
|---|---|
| Forward/Reverse Gears | 8 Fwd/ 6 Rev |
| Transmission | Direct drive, power shift |
| Brakes - Service | Air actuated, oil-disc |
| Brakes - Service, surface area | 16744 cm² / 2595 in² |
| Brakes - Parking | Multiple oil-disc unit |
| Brakes - Secondary | Separate circuits to right and left tandems |
| Hydraulic System | |
|---|---|
| Circuit type | Load sensing, pressure compensating |
| Pump type | Variable-displacement, piston pump |
| Pump output | 148 L/min / 39 gal/min |
| Maximum system pressure | 24150 kPa / 3500 psi |
| Standby Pressure | 3100 kPa / 450 psi |
| Operating Specifications | |
|---|---|
| Top Speed - Fwd. | 42.6 km/h / 26.5 mph |
| Top Speed - Rev. | 33.7 km/h / 20.9 mph |
| Turning radius, outside front tires | 7.2 m / 23.8 ft |
| Steering range - left/right | 50° |
| Articulation angle - left/right | 20° |
| Fwd. 1st | 3.6 km/h / 2.3 mph |
| Fwd. 2nd | 5 km/h / 3.1 mph |
| Fwd. 3rd | 7.2 km/h / 4.5 mph |
| Fwd. 4th | 9.9 km/h / 6.2 mph |
| Fwd. 5th | 15.6 km/h / 9.7 mph |
| Fwd. 6th | 21.3 km/h / 13.2 mph |
| Fwd. 7th | 29.3 km/h / 18.2 mph |
| Fwd. 8th | 42.6 km/h / 26.5 mph |
| Rev. 1st | 2.9 km/h / 1.8 mph |
| Rev. 2nd | 5.4 km/h / 3.4 mph |
| Rev. 3rd | 7.8 km/h / 4.9 mph |
| Rev. 4th | 12.3 km/h / 7.7 mph |
| Rev. 5th | 23.1 km/h / 14.4 mph |
| Rev. 6th | 33.7 km/h / 20.9 mph |
| Service Refill | |
|---|---|
| Fuel Capacity | 284 L / 75 gal |
| Cooling system | 40 L / 10.4 gal |
| Hydraulic system - total | 61 L / 16 gal |
| Hydraulic system - tank | 38 L / 9.9 gal |
| Engine Oil | 23 L / 6 gal |
| Trans./Diff./Final Drives | 47 L / 12.2 gal |
| Tandem housing (each) | 49 L / 12.7 gal |
| Front wheel spindle bearing housing | .5 L / .13 gal |
| Circle drive housing | 7 L / 1.8 gal |
| Frame | |
|---|---|
| Circle - diameter | 1530 mm / 60.2 in |
| Circle - blade beam thickness | 30 mm / 1.2 in |
| Drawbar - height | 127 mm / 5 in |
| Front-top/bottom plate - width | 280 mm / 11 in |
| Front-top/bottom plate - thickness | 22 mm / .9 in |
| Front-side plates - width | 236 mm / 9.3 in |
| Front-side plates - thickness | 10 mm / .4 in |
| Front-linear weights - min | 134 kg/m / 90 lb/ft |
| Front-linear weights - max | 172 kg/m / 115 lb/ft |
| Front-section modulus - min | 1619 cm³ / 99 in³ |
| Front-section modulus - max | 3681 cm³ / 225 in³ |
| Front axle - height to center | 608 mm / 23.9 in |
| Front axle - wheel lean, left/right | 18° |
| Front axle - total oscillation per side | 32° |
| Tandems | |
|---|---|
| Height | 438 mm / 17.2 in |
| Width | 172 mm / 6.8 in |
| Sidewall thickness - inner | 14 mm / .55 in |
| Sidewall thickness - outer | 16 mm / .63 in |
| Drive chain pitch | 44.5 mm / 1.75 in |
| Wheel axle spacing | 1510 mm / 59.5 in |
| Tandem oscillation - front up | 15° |
| Tandem oscillation - front down | 25° |
| Moldboard | |
|---|---|
| Blade width | 3.658 m / 12 ft |
| Moldboard - height | 610 mm / 24 in |
| Moldboard - thickness | 22 mm / .87 in |
| Arc radius | 413 mm / 16.25 in |
| Throat clearance | 120 mm / 4.7 in |
| Cutting edge - width | 152 mm / 6 in |
| Cutting edge - thickness | 16 mm / .63 in |
| End Bit - width | 152 mm / 6 in |
| End Bit - thickness | 16 mm / .63 in |
| Blade Range | |
|---|---|
| Circle centershift - right | 460 mm / 18.1 in |
| Circle centershift - left | 690 mm / 27.2 in |
| Moldboard sideshift - right | 660 mm / 26 in |
| Moldboard sideshift - left | 660 mm / 26 in |
| Blade tip range - forward | 40° |
| Blade tip range - backward | 5° |
| Maximum shoulder reach outside of tires - right | 1760 mm / 69.3 in |
| Maximum shoulder reach outside of tires - left | 1976 mm / 77.8 in |
| Maximum lift above ground | 457 mm / 18 in |
| Maximum depth of cut | 728 mm / 28.7 in |
| Ripper | |
|---|---|
| Ripping depth, maximum | 262 mm / 10.3 in |
| Ripper shank holders | 5 |
| Shank holder spacing - max | 533 mm / 21 in |
| Penetration force | 4343 kg / 9566 lb |
| Pryout force | 2279 kg / 5020 lb |
| Machine length increase, beam raised | 688 mm / 27.1 in |
| Scarifier | |
|---|---|
| Rear: Working width | 2300 mm / 91 in |
| Weights | |
|---|---|
| Gross Vehicle Weight - base | 11358 kg / 25040 lb |
| Gross Vehicle Weight, max | 12466 kg / 27483 lb |
| Gross Vehicle Wt, max - front axle | 3455 kg / 7618 lb |
| Gross Vehicle Wt, max - rear axle | 9011 kg / 19865 lb |
| Gross Vehicle Wt, base - front axle | 3164 kg / 6976 lb |
| Gross Vehicle Wt, base - rear axle | 8194 kg / 18064 lb |
| Dimensions | |
|---|---|
| Height - top of cab | 3108 mm / 122.36 in |
| Height - high profile cab | 3333 mm / 131.22 in |
| Length - counterweight to ripper | 9641 mm / 380 in |
| Width - outside front tires | 2441 mm / 96.1 in |
| Length - front axle to mid tandem | 5871 mm / 231.14 in |
| Length - front tire to rear of machine | 8145 mm / 320.67 in |
| Length - front axle to moldboard | 2596 mm / 102.2 in |
| Length - between tandem axles | 1510 mm / 56.45 in |
| Width - outside rear tires | 2402 mm / 94.57 in |
| Width - tire center lines | 2056 mm / 80.94 in |