Compare/John Deere B vs Parrett H 12-25

John Deere B vs Parrett H 12-25

Verdict: John Deere B vs Parrett H 12-25

The John Deere B and the Parrett H 12-25 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 12 hp. John Deere B is the lighter machine (1,485 kg vs 2,358 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere B is the newer design (1935 vs 1918). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

John Deere

Fit score

Best match

Clear

Parrett

Fit score

Clear

Rated power

12 hp

Confidence

98%

40%

Guide price

—

Overview

Manufacturer

John DeereReference

ParrettReference

Gear shift lever with speed 1, 2, and reverse. High and low range shift lever.Reference

liquid-cooledReference

Total built

15,613 (long frame)Reference

—

Steering

manualReference

—

Variants

tricycle front axleReference

—

fixed front axleReference

—

OrchardReference

—

narrow row-cropReference

—

wide row-cropReference

—

industrial tractorReference

—

BO Lindeman

crawlerReference

—

Engine

Fuel tank

45.4 LReference

—

Aux. fuel

3.8 LReference

—

Drawbar (claimed)

8.9 kWReference

Belt (claimed)

11.9 kWReference

18.6 kWReference

Plows

2 (10-inch)Reference

3 (14-inch)Reference

Drawbar (tested)

8.8 kWReference

—

Belt (tested)

11.9 kWReference

—

Displacement

2.4 LReference

5.1 LReference

Bore/Stroke

108 x 133 mmReference

108 x 140 mmReference

Fuel system

Marvel-Schebler DLTX-10Reference

Kingston 1.25-inch carburetorReference

Cooling system

thermo-siphonReference

—

Air cleaner

oil bathReference

water bathReference

Compression

4.71:1Reference

—

Rated RPM

975Reference

—

Firing order

1-2Reference

—

Starter type

hand-crankReference

—

Oil capacity

6.6 LReference

—

Coolant capacity

20.8 LReference

—

Sparkplug gap

0.762 mmReference

—

Point gap

0.381 mmReference

—

Intake valve clearance

0.508 mmReference

—

Exhaust valve clearance

0.508 mmReference

—

Belt power (max)

11.9 kWReference

—

Max power

8.8 kWReference

—

Fuel Type

DieselReference

—

No of Cylinders

2-cylinderReference

—

Rated engine speed

975Reference

—

Bore and stroke

4.25x5.25 inchesReference

—

Compression ratio

4.71:1Reference

—

Transmission

Type

unsynchronized gearReference

Gears

4 forward and 1 reverseReference

2 forward and 1 reverseReference

Clutch

dry discReference

—

forward and reverse options

4 forward and 1 reverseReference

—

PTO & Hydraulics

Rear PTO

transmissionReference

—

Rear PTO Type

540Reference

—

Dimensions

Weight

1485 kgReference

2358 kgReference

Front tire

22x3.25Reference

—

Rear tire

48x5.25Reference

60x10Reference

Ag front

22x3.25 (steel)Reference

—

Ag rear

48x5.25 (steel)Reference

60x10 steelReference

Length

306 cmReference

370 cmReference

Height (hood)

142 cmReference

—

Rear tread

142 to 213 cmReference

—

Height

—

170 cmReference

B Serial Number Location

B Serial Numbers

1935

1000Reference

—

1936

12012Reference

—

1937

27389Reference

—

1938

46175 (*49302)Reference

—

1939

60000Reference

—

1940

78526Reference

—

1941

96000Reference

—

1942

118721Reference

—

1943

136315Reference

—

1944

149219Reference

—

1945

167700Reference

—

1946

179788Reference

—

1947

191303Reference

—

1948

209295Reference

—

1949

230044Reference

—

1950

253025Reference

—

1951

275242Reference

—

1952

293030Reference

—

Final

310772Reference

—

Links

Capacities

Diameter

24 cmReference

30 cmReference

Width

215 cmReference

182 cmReference

RPM

1250Reference

1000Reference

Speed

947.93 meters/minReference

957.56 meters/minReference

Capacity

149 ciReference

—

Electrical

Ground

positiveReference

—

Test results

Belt fuel use (max)

7.9 l/hourReference

—

Max pull

783 kgReference

—

General

Make & Model

John DeereReference

—

PTO

Rear PTO Power

AvailableReference

—

Dimensions & weight

Overall Height

142.2 cmReference

—

Overall Length

306.1 cmReference

—

Overall Width

215.9 cmReference

—

Steering & brakes

Steering type

manualReference

—

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.