Allis Chalmers D21 Series I VS SOMECA Som 55 specs comparison

Allis Chalmers D21 Series I

General Infos

Make	Allis Chalmers
Model	D21 Series I
Country	United states
Production	From 1963  Until 1969
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Allis Chalmers D21 Series I Manual

Dimensions, sizes and tires

AG front tires	11.00x16
AG rear tires	24.5x32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	9500 lbs or 4309 kg
Length	160.6 inches [407 cm]
Width	91.6 inches [232 cm]
Height	-
Wheelbase	96.1 inches [244 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	426 ci or 7.0 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	52 gal or 196.8 L
Oil capacity	12 qts or 11.4 L
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	Allis Chalmers D21 Series I Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	95 amps
Cold Amps	-
Ground force	negative
Charging system	Delco-Remy generator
Charging Volts	-
Charging Amps	32 amps

Clutch and gearbox specs

Trans system	Power Director
Trans type	sliding gear
Trans gears	8 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	band actuated disc
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	93 hp or 69.4 kW
Drawbar horsepower	93.09 hp or 69.4 kW
Fuel consumption	7.1 gal/hour or 26.9 l/hour
Pulling power	14,840 lbs or 6731 kg

Power take-off (PTO) specs

Claimed power	103 hp or 76.8 kW
Real power	103.06 hp or 76.9 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	7.1 gal/hour or 26.9 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III/II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

SOMECA Som 55

General Infos

Make	SOMECA
Model	Som 55
Country	France
Production	From 1961  Until 1963
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	SOMECA Som 55 Manual

Dimensions, sizes and tires

AG front tires	6.50-20
AG rear tires	14-30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	5776 lbs or 2619 kg
Length	140.9 inches [357 cm]
Width	68.9 inches [175 cm]
Height	-
Wheelbase	79.9 inches [202 cm]
Ground clearance	-
Turning radius	-
Rear tread size	51.2 to 78.7 inches
Front tread size	51.2 to 66.9 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	253.6 ci or 4.2 L
Cylinders	4 cylinders
Engine power	55 hp or 41.0 kW
Engine RPM	1750 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	23.3 gal or 88.2 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	SOMECA Som 55 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Amplicouple
Trans type	-
Trans gears	14 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	-
Braking system	disc
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	5.7 gpm or 21.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	II
Rear hitch lift	2646 lbs or 1200 kg
Front hitch	-
Front hitch lift	-

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