Power: 21 hp Date of manufacture : 0000 - 0000
Production Manufacturer: Yanmar Type: Sub-Compact Utility tractor Yanmar 221 Power Engine (gross): 21.5 hp 16.0 kW Engine (net): 19.4 hp 14.5 kW PTO (claimed): 15.6 hp 11.6 kW Yanmar 221 Engine Mechanical Chassis: 4x4 MFWD 4WD Steering: hydrostatic power Brakes: wet disc Cab: Two-post foldable ROPS. Transmission: hydrostatic Capacity Fuel: 6 gal 22.7 L Front axle: 3.2 qts 3.0 L Hydraulics Type: open center Pressure: 1891 psi 130.4 bar Pump flow: 4.3 gpm 16.3 lpm Steering flow: 3.7 gpm 14.0 lpm Tractor hitch Rear Type: 1 (limited) Rear lift (at 24"/610mm): 660 lbs 299 kg Power Take-off (PTO) Rear PTO: independent Clutch: hydraulic Rear RPM: 540 (1.375) Engine RPM: 554@3200 Mid PTO: independent Clutch: 2057:3200 Mid RPM: 2000 (1.0) Dimensions & Tires Wheelbase: 57.9 inches 147 cm Weight: 1537 lbs 697 kg Electrical Ground: negative Battery CCA: 540 Battery volts: 12

White Field Boss 31	Power: 30 hp	Date of manufacture : 1986 - 1988

White Field Boss 37	Power: 37 hp	Date of manufacture : 1986 - 1988

White Field Boss 43	Power: 45 hp	Date of manufacture : 1986 - 1988

Yanmar 221	Power: 21 hp	Date of manufacture : 0000 - 0000

Yanmar 324	Power: 23 hp	Date of manufacture : 0000 - 0000

Yanmar 424	Power: 23 hp	Date of manufacture : 0000 - 0000

Yanmar AC-10	Power: 10 hp	Date of manufacture : 2001 - 2014

Yanmar AC-16	Power: 15 hp	Date of manufacture : 2004 - 2007