four-wheel tractor 504,Chinese famous brand.. Dongfeng Brand four-wheel tractor DF504, 4WD, powered with 4-cylinder diesel engine Model 4L68 of 50 HP, with metal sheet hood, combination meters, dual function clutch, (3+1)×4 gearbox, power steering, wet type disc brake, twin speed PTO (540/100 rpm) , low platform, front ballast and the suspension of Category II, hydraulic outlet, folding ROPS, ...