The Iseki TF21F is a compact utility tractor produced starting in 1995 as part of the Sial Series. It features a 1.4L 3-cylinder liquid-cooled diesel engine producing 20.7 hp (15.4 kW) with a 9-speed transmission (9 forward and 3 reverse). The tractor has four-wheel drive and offers a two-post ROPS with canopy, with an optional cab. The TF21F has a rear PTO with 540 rpm and multiple engine RPM settings. Dimensions include a 59.8 inch wheelbase, 109.8 inch length, and a weight of 1918 lbs. Standard tires are 6-14 front and 9.5-22 rear, with optional narrower front tires for the TF21NF variant. Electrical system is 12 volts negative ground with a 55 AH battery.