Compare/Chamberlain 306 vs Chamberlain 40K

Chamberlain 306 vs Chamberlain 40K

Verdict: Chamberlain 306 vs Chamberlain 40K

The Chamberlain 306 and the Chamberlain 40K are both tractors — here is how they stack up on the figures that matter. Chamberlain 306 leads on rated power with 58 hp against 49 hp. Chamberlain 306 is the lighter machine (3,538 kg vs 3,855 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Chamberlain 306 holds more fuel (109.0 L vs 104.5 L) for longer stints between fills. Chamberlain 306 is the newer design (1966 vs 1950). In short: choose the Chamberlain 306 for outright pulling power, or the Chamberlain 40K if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Chamberlain

Fit score

Best match

Clear

Chamberlain

Fit score

Best match

Clear

Rated power

58 hp

49 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

ChamberlainReference

With 18.4x30 rear tires.Reference

liquid-cooled horizontally-opposedReference

Final drives

—

bull gearReference

Steering

—

mechanical - recirculating ballReference

Engine

Fuel tank

109.0 LReference

104.5 LReference

Engine

52.2 kWReference

36.2 kWReference

Displacement

5.0 LReference

6.0 LReference

Bore/Stroke

91 x 127 mmReference

156 x 159 mmReference

Power

52.2 kWReference

36.2 kWReference

Fuel system

direct injectionReference

—

Pre-heating

thermostartReference

—

Rated RPM

2000Reference

1200Reference

Starter

electricReference

—

Starter volts

12Reference

Aux. fuel

—

15.9 LReference

Belt (claimed)

—

29.8 kWReference

Cooling system

—

thermosiphonReference

Transmission

Type

gearReference

—

Gears

9 forward and 3 reverseReference

Clutch

355.6mm dry discReference

—

Transmission

—

sliding gearReference

PTO & Hydraulics

PTO (claimed)

43.3 kWReference

—

Rear Type

II (optional)Reference

—

Rear PTO

liveReference

—

Rear PTO Type

540 (1.375)Reference

540Reference

Engine RPM

540@1600Reference

—

Dimensions

Weight

3538 kgReference

3855 kgReference

Front tire

7.50x18Reference

Rear tire

18.4x30Reference

15.00x30Reference

Ag front

7.50x18Reference

Ag rear

18.4x30Reference

15.00x30Reference

Clearance (front axle)

44 cmReference

—

Wheelbase

—

210 cmReference

Length

—

342 cmReference

Height

—

228 cmReference

306 Serial Numbers

1966

5001 (306L)Reference

—

1967

5198 (306L)Reference

—

1968

5965 (306L)Reference

—

1969

6722 (306L)Reference

—

1970

7466 (306L)Reference

—

Capacities

Diameter

26 cmReference

33 cmReference

Width

15 cmReference

172 cmReference

RPM

1600Reference

810Reference

Speed

944.88 meters/minReference

835.15 meters/minReference

Speeds

40K Serial Numbers

1950

—

1Reference

Final

—

403Reference

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.