Compare/John Deere 40C vs John Deere Unstyled D

John Deere 40C vs John Deere Unstyled D

Verdict: John Deere 40C vs John Deere Unstyled D

The John Deere 40C and the John Deere Unstyled D are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 15 hp. John Deere Unstyled D is the lighter machine (4,090 kg vs 4,500 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere Unstyled D holds more fuel (68.1 L vs 41.6 L) for longer stints between fills. John Deere 40C is the newer design (1953 vs 1923). 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

John Deere

Fit score

Best match

Clear

Rated power

15 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Gear 1 used for pull test.Reference

Three-speed transmission was introduced in 1935Reference

Total built

11,814Reference

160,000Reference

Drive

crawlerReference

—

Steering

manual clutchesReference

—

Variants

wheeled tractorReference

—

Engine

Fuel tank

41.6 LReference

88.9 LReference

Drawbar (claimed)

11.3 kWReference

11.2 kWReference

Belt (claimed)

15.8 kWReference

20.1 kWReference

Drawbar (tested)

14.6 kWReference

22.3 kWReference

Belt (tested)

18.6 kWReference

31.0 kWReference

Displacement

1.6 LReference

8.2 LReference

Bore/Stroke

102 x 102 mmReference

171 x 178 mmReference

Compression

6.5:1Reference

3.91:1Reference

Rated RPM

1850Reference

900Reference

Firing order

1-2Reference

Starter volts

6Reference

—

Oil capacity

4.7 LReference

12.3 LReference

Coolant capacity

13.2 LReference

53.0 LReference

Sparkplug gap

0.635 mmReference

—

Point gap

0.559 mmReference

—

Air cleaner

oil bathReference

—

Belt power (max)

18.6 kWReference

31.0 kWReference

Max power

14.6 kWReference

22.3 kWReference

Fuel Type

DieselReference

—

No of Cylinders

3 cylinderReference

—

Rated engine speed

2,800 RPMReference

—

Engine torque at rated speed

34.8 kgReference

—

Bore and stroke

3.46x3.56 inchesReference

—

Cooling system

liquid-cooledReference

—

Aux. fuel

—

5.7 LReference

Plows

—

3 (14-inch)Reference

Transmission

John DeereReference

—

Type

unsynchronized gearReference

Gears

4 forward and 1 reverseReference

3 forward and 1 reverseReference

Transmission Type

Sync ShuttleReference

—

forward and reverse options

Synchro - 12 F and 12 RReference

—

Wheel Drive

4WDReference

—

Clutch

Mechanical Dry DiscReference

—

Dimensions

Wheelbase

142 cmReference

—

Weight

2721 kgReference

2667 kgReference

Front tire

—

28x5Reference

Rear tire

—

46x12Reference

Ag front

—

7.50x18Reference

Ag rear

—

12.75x28Reference

Length

—

330 cmReference

40C Serial Number Location

40C Serial Numbers

1953

60001Reference

—

1954

62264Reference

—

1955

66020Reference

—

Final

71689Reference

143799Reference

Links

Capacities

Diameter

23 cmReference

33 cmReference

Width

35 cmReference

168 cmReference

RPM

1267Reference

900Reference

Speed

916.23 meters/minReference

951.59 meters/minReference

Capacity

100.7 ciReference

—

Crankcase oil volume

4.2 qtsReference

—

Electrical

Ground

positiveReference

—

Battery volts

6Reference

—

John Deere 40C Tracks

Test results

Belt fuel use (max)

9.1 l/hourReference

16.3 l/hourReference

Max pull

2048 kgReference

1831 kgReference

General

Make & Model

GoldiniReference

—

Rollover protective structure

Two-post mid-mount folding ROPS.Reference

—

Country of manufacturer

ItalyReference

—

PTO

Rear PTO Power

AvailableReference

—

Rear PTO RPM

1,000 RPMReference

—

Engine Speed on Rear PTO speed

1,000@2,620 RPMReference

—

Steering & brakes

Brakes

Hydraulic Wet DiscReference

—

Steering type

PowerReference

—

Hydraulics

Maximum operating pressure

2,176 psiReference

—

Rear Hitch category (SAE designation)

Category I/INReference

—

Rear Hitch maximum lift capacity

1,399.8 kgReference

—

Dimensions & weight

Height Over ROPS

199.9 cmReference

—

Overall Length

306.8 cmReference

—

Overall Width

110.2 cmReference

—

Overall weight

1,520 kgReference

—

Wheels & tyres

Rear Wheel Type

320/70R24Reference

—

Rear wheel tread range

35.1 to 49.9 inchesReference

—

Front Wheel Type

200/70R16Reference

—

Front Wheel tread range

33.4 to 47.5 inchesReference

—

PTO & Hydraulics

Rear PTO

—

optionalReference

Rear PTO Type

—

525Reference

D Serial Number Location

D Serial Numbers

1924

—

30401 (model years)Reference

1925

—

31280Reference

1926

—

35309Reference

1927

—

43410Reference

1928

—

53388Reference

1929

—

71645Reference

1930

—

95367Reference

1931

—

109944Reference

1932

—

115509Reference

1933

—

115665Reference

1934

—

116273Reference

1935

—

119100Reference

1936

—

125079Reference

1937

—

130700Reference

1938

—

138413Reference

1939

—

142300Reference

Questions

John Deere D Height

Hood

—

155 cmReference

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.