Our ISEKI SF 5 Large area mower models compared

		SF 544		SF 551
Engine
Engine manufacturer		ISEKI		ISEKI
Cubic capacity		1826 cm³		2434 cm³
Cylinder		3		4
Performance in accordance with ECE R120		31 kW		36 kW
Performance in accordance with ECE R120		41.6 PS		48.3 PS
Rated speed		2600 U/min		2600 U/min
Emission standard		Stage V (EU2016/1628)		Stage V (EU2016/1628)
Drive unit
Transmission		fully hydraulic		fully hydraulic
Activation		two accelerator pedals		two accelerator pedals
Maximum speed		22 km/h		22 km/h
Tyres
Front wheels		24 x 12.00 - 12		24 x 12.00 - 12
Rear wheels		20 x 10.00 - 10		20 x 10.00 - 10
PTO
Speed of the front PTO shaft		2000 U/min		2000 U/min
Turbine speed		2400/3000 U/min		2400/3000 U/min
Mower deck
Cutting width		Mower options: 1370/1520 mm		Mower options: 1370/1520/1803 mm
Ejection direction		Rear		Rear
Number of knives		2/4		2/4
Grass collector
Catch volume		1300 l		1300 l
Dumping height		2200 mm		2200 mm
Weights/dimensions
Total length		3070 mm		3070 mm
Total height		2160 mm		2160 mm
Overall width		1305 mm		1305 mm
Weight with standard tyres		1440 (basic machine)/1540 (incl. mower and container) kg		1170 (basic machine)/1570-1470 (depending on the selected mower, incl. mower and container) kg