Compare/Allis Chalmers D15 Series II vs Allis Chalmers K-O

Allis Chalmers D15 Series II vs Allis Chalmers K-O

Verdict: Allis Chalmers D15 Series II vs Allis Chalmers K-O

The Allis Chalmers D15 Series II and the Allis Chalmers K-O are both tractors — here is how they stack up on the figures that matter. Allis Chalmers K-O leads on rated power with 50 hp against 46 hp. Allis Chalmers D15 Series II is the lighter machine (4,025 kg vs 5,216 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers D15 Series II is the newer design (1960 vs 1934). In short: choose the Allis Chalmers K-O for outright pulling power, or the Allis Chalmers D15 Series II if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

46 hp

50 hp

Confidence

40%

Guide price

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Overview

Manufacturer

Allis ChalmersReference

The shuttle transmission is controlled using the gear shift lever and the shuttle control lever. The tractor must be stopped, and clutch used, to select one of four speeds with the gear shift. The shuttle control lever enables a shift between forward, reverse, or neutral without clutching. A PTO could be ordered on the industrial D15 with the shuttle, but it ran at 875 RPMs.Reference

The three-speed transmission was used on early models, built during 1934.Reference

Total built

12,356Reference

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Steering

power optionalReference

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Drive

—

crawlerReference

Engine

Drawbar (tested)

28.6 kWReference

37.6 kWReference

Displacement

2.9 LReference

9.2 LReference

Bore/Stroke

90 x 111 mmReference

133 x 165 mmReference

Fuel use

16.7 l/hourReference

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Air cleaner

paper element with pre-cleanerReference

oil bathReference

Compression

15.5:1Reference

6.5:1Reference

Rated RPM

2000Reference

1050Reference

Firing order

1-3-4-2Reference

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Starter volts

12Reference

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Coolant capacity

11.4 LReference

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Sparkplug

Auto-Lite A-5Reference

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Sparkplug gap

0.635 mmReference

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Point gap

0.559 mmReference

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Intake valve clearance

0.254 mmReference

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Exhaust valve clearance

0.483 mmReference

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Oil capacity

14.0 LReference

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Power at rated engine speed

32.5 kWReference

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Max power

26.9 kWReference

37.6 kWReference

Belt (tested)

—

44.0 kWReference

Fuel system

—

mechanical injectionReference

Belt power (max)

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44.0 kWReference

Transmission

shuttleReference

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Gears

4 forward and reverseReference

4 forward and 1 reverseReference

Oil type

SAE80EPReference

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PTO & Hydraulics

PTO (tested)

34.4 kWReference

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Hydraulic system

9.5 LReference

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Capacity

9.5 LReference

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Pressure

158.6 barReference

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Valves

0 to 3Reference

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Rear Type

II/IReference

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Type

partial power shiftReference

gearReference

Power at rated PTO speed

29.6 kWReference

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Capacities

Fuel

59.6 LReference

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Diameter

22 cmReference

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Width

170 cmReference

38 cmReference

RPM

1678Reference

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Speed

1205.79 meters/minReference

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Dimensions

Weight

4025 to 4525 poundsReference

5216 kgReference

Front tire

5.50x16Reference

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Rear tire

12.4x26Reference

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Ag front

6.50x16Reference

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Ag rear

14.9x26Reference

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Length

330 cmReference

303 cmReference

Height (hood)

145 cmReference

162 cmReference

Height (exhaust)

203 cmReference

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Clearance (front axle)

53 cmReference

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Clearance (rear axle)

62 cmReference

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Front tread

129 to 198 cmReference

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Rear tread

137 to 223 cmReference

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Shipping

2052 kgReference

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Operating

1855 kgReference

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Ballasted

3676 kgReference

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KO Width

—

167 cmReference

KO Gauge

—

121 cmReference

WKO Gauge

—

160 cmReference

D15 Series II Serial Number Location

D15 Series II Serial Numbers

1963

13001Reference

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1964

16928Reference

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1965

19681Reference

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1966

21375Reference

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1967

23734Reference

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1968

25127Reference

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Final

25419Reference

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Electrical

Ground

positiveReference

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Batteries

2 (diesel)Reference

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Battery volts

12Reference

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Battery AH

70Reference

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Test results

Max pull

2924 kgReference

5300 kgReference

Belt fuel use (max)

—

17.4 l/hourReference

Speeds

Variants

—

gasolineReference

—

wide gasReference

K-O

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dieselReference

WK-O

—

wide dieselReference

Allis Chalmers K-O Tracks

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.