CATERPILLAR M317F CRAWLER EXCAVATOR

Technical Description

The Caterpillar M317F is a wheeled excavator powered by a Cat C4.4 ACERT engine featuring twin turbochargers that delivers a maximum gross power of 117 kW (157 hp) and a net power of 112 kW (150 hp), compliant with Tier 4 Final/Stage IV emission standards. Its engine has a bore of 4.1 inches, a stroke of 5 inches, and a displacement of 268.5 cubic inches, producing a peak torque of 523 lb-ft at 1,400 rpm. The machine achieves a top travel speed of 19 mph (31 kph) with a drawbar pull rating of 23,380 lbs and is equipped with a powershift transmission. The hydraulic system operates with a total fluid capacity of 64.7 gallons and supports a maximum flow of 58 gpm in the high-pressure auxiliary circuit, 12.7 gpm in the medium-pressure circuit, 58 gpm in the implement/travel circuit, and 18.5 gpm in the swing mechanism. Maximum pressures include 5,076 psi for the auxiliary and travel circuits, 5,439 psi for heavy lift implement circuits, and 4,786 psi for the swing mechanism, which delivers a swing speed of 9 rpm and a maximum torque of 27,289 lb-ft. The undercarriage provides 1.3 feet of ground clearance and supports a counterweight of 9,480 lbs. The excavator's fuel tank capacity is 77.9 gallons, complemented by a 5-gallon Diesel Exhaust Fluid tank. The overall robust configuration caters to demanding excavation tasks with efficiency and environmental compliance. This combination of power, hydraulic capability, and mobility makes the M317F suitable for diverse heavy-duty applications in construction and earthmoving operations.