ALLIS-CHALMERS FD-4 vs BOLINDER-MUNKTELL BM-400 Buster

7 material differences · fewer than 12

Tractor one

1962–1965

No measured PTO figure

Tractor two

1964–1969

No measured PTO figure

Which should you choose?

Read our verdict on the FD-4 and the BM-400 Buster → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

7 material differences · 5 fields identical or within 5%, which is not counted as material

ALLIS-CHALMERS FD-4 and BOLINDER-MUNKTELL BM-400 Buster, field by field
Field	FD-4	BM-400 Buster	Gap
Engine
Engine power, claimed claimed	41.4 hp	42.0 hp	—
Engine declared	VENDEUVRE 56	PERKINS D-913	differs
Displacement declared	—	2.50 L	—
Maximum torque declared	—	121 lb·ft · 164 N·m	—
Transmission
Top speed declared	12.4 mph · 20 km/h	18.6 mph · 30 km/h	+50% BM-400 Buster
Clutch declared	Pedal operated dry two stage double clutch	—	—
Hydraulics & hitch
Pump flow declared	—	7.4 gpm · 27.9 L/min	—
Pressure declared	—	2,567 psi · 177 bar	—
Three-point lift at ends declared	1,984 lb · 900 kg	2,315 lb · 1,050 kg	+17% BM-400 Buster
Rear PTO speeds declared	540/1000 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	4,057 lb · 1,840 kg	4,200 lb · 1,905 kg	—
Wheelbase declared	84.6 in · 2,150 mm	82.7 in · 2,100 mm	—
Length declared	120.1 in · 3,050 mm	123.6 in · 3,140 mm	—
Width declared	66.1 in · 1,680 mm	66.1 in · 1,680 mm	—
Height declared	56.7 in · 1,440 mm	83.5 in · 2,120 mm	+47% BM-400 Buster
Ground clearance declared	18.5 in · 470 mm	17.3 in · 440 mm	+7% FD-4
Turning radius, braked declared	—	10.5 ft · 3.20 m	—
Fuel tank declared	63.4 qt · 60.0 L	47.6 qt · 45.0 L	+33% FD-4

Source

Source