Ford 6810 Mark III

The Ford 6810 Mark III is a farm tractor produced from 1988 to 1991 as part of the 10 Mark III Series. It features a 4.4L 4-cylinder turbocharged diesel engine producing 90 hp (67.1 kW) net power. The tractor offers a 16-speed Dual Power transmission with 16 forward and 8 reverse gears, mechanical rear differential lock, planetary final drives, and power steering. It has a two- or four-wheel drive configuration with wet disc brakes and a four-post ROPS, with an optional cab featuring air-conditioning. The hydraulic system is an open center type with closed-center valves, operating at 2500 psi with a pump flow of 18.2 gpm. The tractor hitch is category II with a rear lift capacity of 5874 lbs. The PTO is independent with 540/1000 rpm options. Dimensions vary between 2WD and 4WD models, with wheelbases around 87.5 to 88.9 inches and weights ranging from 7280 to 8760 lbs depending on configuration. Standard tires differ for 2WD and 4WD models. Electrical system includes a 12-volt battery and alternator charging system.