Bührer PF-21 Super (A) vs Deutz (KHD) D 6806

11 material differences · fewer than 12

Tractor one

1968–1974

No measured PTO figure

Tractor two

1974–1980

No measured PTO figure

Which should you choose?

Read our verdict on the PF-21 Super (A) and the D 6806 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

11 material differences · 4 fields identical or within 5%, which is not counted as material

Bührer PF-21 Super (A) and Deutz (KHD) D 6806, field by field
Field	PF-21 Super (A)	D 6806	Gap
Engine
Engine power, claimed claimed	66.1 hp	66 hp	—
Engine declared	FORD (GB) 2.514 E	KHD F4L 912	differs
Displacement declared	4.18 L	3.77 L	+11% PF-21 Super (A)
Maximum torque declared	183 lb·ft · 248 N·m	177 lb·ft · 240 N·m	—
Transmission
Top speed declared	15.5 mph · 25 km/h	15.5 mph · 25 km/h	—
Clutch declared	Pedal-operated dry Buhrer double disc clutch between gearbox and group transmission	Independent dry Fichtel & Sachs double clutch	differs
Hydraulics & hitch
Pump flow declared	5.2 gpm · 19.5 L/min	7.5 gpm · 28.3 L/min	+45% D 6806
Pressure declared	—	2,901 psi · 200 bar	—
Three-point lift at ends declared	5,181 lb · 2,350 kg	—	—
Rear PTO speeds declared	540/770 rpm	540 rpm	differs
Weight & dimensions
Unladen weight declared	5,357 lb · 2,430 kg	6,085 lb · 2,760 kg	+14% D 6806
Maximum permissible mass declared	—	11,023 lb · 5,000 kg	—
Wheelbase declared	84.3 in · 2,140 mm	84.6 in · 2,150 mm	—
Length declared	129.5 in · 3,290 mm	146.1 in · 3,710 mm	+13% D 6806
Width declared	69.3 in · 1,760 mm	76.4 in · 1,940 mm	+10% D 6806
Height declared	65.7 in · 1,670 mm	71.3 in · 1,810 mm	+8% D 6806
Ground clearance declared	15.0 in · 380 mm	19.7 in · 500 mm	+32% D 6806
Turning radius, braked declared	10.9 ft · 3.33 m	11.7 ft · 3.56 m	+7% D 6806

Source

Source