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Caterpillar 143H Motor Grader
Caterpillar 143H Motor GraderThe 143H blends productivity and durability to give you the best return on your investment. |  |  |
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| Base Power (all gears) Net | 165 hp / 123 kW |
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| VHP - gears 4-8 Net | 185 hp / 138 kW |
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| VHP Plus - gears 1-3 Net | 165 hp / 123 kW |
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| VHP Plus - gears 4-6 Net | 185 hp / 138 kW |
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| VHP Plus - gears 7-8 Net | 205 hp / 153 kW |
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| VHP - gears 1-3 Gross | 182 hp / 136 kW |
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| VHP - gears 4-8 Gross | 202 hp / 151 kW |
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| Engine Model | CatŪ 3176C DITA ATAAC VHP |
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| VHP Plus - gears 1-3 Gross | 182 hp / 136 kW |
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| VHP Plus - gears 4-6 Gross | 202 hp / 151 kW |
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| VHP Plus - gears 7-8 Gross | 222 hp / 166 kW |
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| VHP AWD on - gears 1-3 Gross | 202 hp / 151 kW |
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| VHP AWD on - gears 4-8 Gross | 222 hp / 166 kW |
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| VHP Plus AWD on - gears 1-3 Gross | 202 hp / 151 kW |
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| VHP Plus AWD on - gears 4-6 Gross | 222 hp / 166 kW |
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| VHP Plus AWD on - gears 7-8 Gross | 242 hp / 180 kW |
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| Flywheel Power - Net | 165 hp / 123.04 kW |
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| Displacement | 629 in3 / 10.3 L |
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| Bore | 4.9 in / 125 mm |
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| Stroke | 5.5 in / 140 mm |
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| Torque rise | 50 % / 50 % |
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| Max torque @ 1000 RPM | 808 lb ft / 1095 N·m |
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| Speed @ rated power | 2000 RPM / 2000 RPM |
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| Number of cylinders | 6 |
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| Derating altitude | 10000 ft / 3048 m |
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| Std - Fan speed - max | 1350 RPM / 1350 RPM |
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| Std - Fan speed - min | 500 RPM / 500 RPM |
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| Std - Ambient Capability | 117 ° F / 47 ° C |
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| Flywheel Power - Variable | 165.07 hp / 123.09 kW |
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| VHP - gears 1-3 Net | 165 hp / 123 kW |
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| Gross Vehicle Weight - base | 33670 lb / 15270 kg |
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| Gross Vehicle Weight - max | 48863 lb / 22146 kg |
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| Gross Vehicle Weight, max front axles | 17443 lb / 7906 kg |
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| Gross Vehicle Weight, max rear axles | 31420 lb / 14240 kg |
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| Gross Vehicle Weight, base front axles | 9493 lb / 4305 kg |
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| Gross Vehicle Weight, base rear axles | 24177 lb / 10965 kg |
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| Operating Weight | 33670 lb / 15270 kg |
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| Blade Width | 12 ft / 3.658 m |
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| Blade Height | 24 in / 610 mm |
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| Blade Thickness | .87 in / 22 mm |
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| Arc radius | 16.25 in / 413 mm |
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| Throat clearance | 4.7 in / 120 mm |
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| Cutting edge - width | 6 in / 152 mm |
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| Cutting edge - thickness | .63 in / 16 mm |
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| End Bit - width | 6 in / 152 mm |
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| End Bit - thickness | .63 in / 16 mm |
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| Blade Pull - max GVW | 43977 lb / 19931 kg |
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| Blade Pull - base GVW | 30303 lb / 13743 kg |
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| Down Pressure - max GVW | 30126 lb / 13665 kg |
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| Down Pressure - base GVW | 16400 lb / 7441 kg |
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| Top Speed - Fwd. | 27.4 mph / 44 km/h |
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| Top Speed - Rev. | 21.6 mph / 34.7 km/h |
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| Turning radius (outside front tires) | 24.6 ft / 7.5 m |
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| Steering Range - left/right | 50° |
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| Articulation Angle - left/right | 20° |
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| Fwd. 1st | 2.3 mph / 3.8 km/h |
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| Fwd. 2nd | 3.2 mph / 5.1 km/h |
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| Fwd. 3rd | 4.6 mph / 7.4 km/h |
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| Fwd. 4th | 6.4 mph / 10.3 km/h |
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| Fwd. 5th | 10 mph / 16.2 km/h |
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| Fwd. 6th | 13.7 mph / 22 km/h |
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| Fwd. 7th | 18.8 mph / 30.3 km/h |
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| Fwd. 8th | 27.4 mph / 44 km/h |
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| Rev. 1st | 1.8 mph / 3 km/h |
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| Rev. 2nd | 3.5 mph / 5.6 km/h |
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| Rev. 3rd | 5 mph / 8.1 km/h |
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| Rev. 4th | 7.9 mph / 12.8 km/h |
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| Rev. 5th | 14.8 mph / 23.9 km/h |
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| Rev. 6th | 21.6 mph / 34.7 km/h |
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| Fuel Tank | 105 gal / 397 L |
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| Cooling system | 10 gal / 38 L |
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| Hydraulic system - total | 20.8 gal / 80 L |
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| Hydraulic system - tank | 9.9 gal / 38 L |
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| Engine oil | 10.2 gal / 39 L |
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| Differential / Final Drives | 12.4 gal / 47 L |
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| Tandem housing (each) | 16.9 gal / 64 L |
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| Front wheel spindle bearing housing | .13 gal / .5 L |
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| Circle drive housing | 1.8 gal / 7 L |
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| Forward/Reverse Gears | 8 fwd/6 rev |
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| Transmission | Direct drive, power shift |
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| Brakes, Service | air-actuated, oil-disc |
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| Brakes, Service - surface area | 3712 in2 / 23948 cm2 |
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| Brakes, Parking | manual, multiple oil-disc |
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| Brakes, Secondary | air actuated, oil-disc |
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| Circuit type | Closed center load sense |
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| Pump type | Axial piston |
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| Pump output @ 2100 RPM | 54.4 gal/min / 206 L/min |
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| Maximum system pressure | 3500 psi / 24150 kPa |
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| Reservoir tank capacity | 9.9 gal / 38 L |
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| Standby pressure | 450 psi / 3100 kPa |
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| Circle - diameter | 60.2 in / 1530 mm |
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| Drawbar - height | 5 in / 127 mm |
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| Drawbar - thickness | 3 in / 76 mm |
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| Front - top/bottom plate - width | 12 in / 305 mm |
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| Front - top/bottom plate - thickness | 1 in / 25 mm |
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| Front - side plates - width | 9.5 in / 241 mm |
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| Front - side plates - thickness | .5 in / 12 mm |
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| Front - linear weights - min | 112 lb/ft / 165 kg/m |
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| Front - linear weights - max | 144 lb/ft / 213 kg/m |
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| Front - section modulus - min | 127 in3 / 2083 cm3 |
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| Front - section modulus - max | 291 in3 / 4785 cm3 |
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| Front axle - ground clearance | 24.6 in / 625 mm |
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| Front axle - front wheel lean | 18 Degrees / 18 Degrees |
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| Front axle - oscillation angle | 32 Degrees / 32 Degrees |
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| Circle - blade beam thickness | 1.2 in / 30 mm |
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| Circle centershift - right | 28.7 in / 728 mm |
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| Circle centershift - left | 27.4 in / 695 mm |
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| Moldboard sideshift - right | 26 in / 660 mm |
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| Moldboard sideshift - left | 20.6 in / 524 mm |
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| Maximum blade position angle | 90 Degrees / 90 Degrees |
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| Blade tip range (forward) | 40 Degrees / 40 Degrees |
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| Blade tip range (backward) | 5 Degrees / 5 Degrees |
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| Maximum shoulder reach outside of tires - right | 77.9 in / 1978 mm |
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| Maximum shoulder reach outside of tires - left | 74.6 in / 1896 mm |
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| Maximum lift above ground | 18.9 in / 480 mm |
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| Maximum depth of cut | 28.1 in / 715 mm |
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| Ripping depth, maximum | 18.2 in / 462 mm |
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| Ripper shank holders | 5 |
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| Ripper shank holder spacing - min | 21 in / 533 mm |
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| Penetration force | 17740 lb / 8047 kg |
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| Pryout force | 20460 lb / 9281 kg |
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| Machine length increase, beam raised | 38.2 in / 970 mm |
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| Front, V-Type: Working width | 46.6 in / 1184 mm |
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| Front, V-Type: Scarifying depth, maximum | 11.5 in / 292 mm |
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| Front, V-Type: Scarifier shank holders | 11 |
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| Front, V-Type: Scarifier shank holder spacing | 4.6 in / 116 mm |
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| Front, straight: Working width | 71 in / 1800 mm |
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| Front, straight: Scarifying depth, maximum | 12.5 in / 317 mm |
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| Front, straight: Scarifier shank holders | 17 |
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| Front, straight: Scarifier shank holder spacing | 4.38 in / 111 mm |
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| Rear: Working width | 91 in / 2300 mm |
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| Rear: Ripping depth, maximum | 16.2 in / 411 mm |
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| Rear: Scarifier shank holders | 9 |
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| Rear: Scarifier shank holder spacing | 10.5 in / 267 mm |
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| Height | 22.5 in / 572 mm |
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| Width | 7.9 in / 201 mm |
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| Sidewall thickness - inner | .63 in / 16 mm |
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| Sidewall thickness - outer | .71 in / 18 mm |
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| Drive chain pitch | 2 in / 51 mm |
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| Wheel axle spacing | 60 in / 1522 mm |
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| Tandem oscillation - forward | 15 Degrees / 15 Degrees |
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| Tandem oscillation - reverse | 25 Degrees / 25 Degrees |
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| Height - low profile cab | 123 in / 3131 mm |
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| Height - high profile cab | 132 in / 3356 mm |
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| Height - no cab | 122.2 in / 3103 mm |
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| Length - counterweight to ripper | 398 in / 10097 mm |
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| Width - outside front tires | 100.5 in / 2553 mm |
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| Length - front axle to mid tandem | 242.9 in / 6169 mm |
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| Length - front tire to end of rear frame | 343 in / 8713 mm |
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| Length - front axle to moldboard | 100.8 in / 2561 mm |
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| Length - between tandem axles | 60 in / 1523 mm |
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| Width - outside rear tires | 96.7 in / 2457 mm |
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| Width - tire center lines | 82.3 in / 2091 mm |
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| Height to axle | 23.6 in / 600 mm |
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| Height to exhaust stack | 122.2 in / 3103 mm |
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| Height to top of cylinders | 119.2 in / 3028 mm |
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| Ground clearance at trans. case | 13.5 in / 344 mm |
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| Pump output (2500 rpm, 35000 kPa) | 46.2 gal/min / 175 L/min |
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| Maximum operating pressure | 5080 psi / 35000 kPa |
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| Minimum operating pressure | 800 psi / 5500 kPa |
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| Motor displacement - high | 100.7 in3/rev / 1650 cc/rev |
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| Motor displacement - low | 40.2 in3/rev / 660 cc/rev |
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