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Heider C 15-27

The Heider C 15-27 is a tractor produced by Heider. It is equipped with a 478 ci 7.8 L engine. Transmission: 7 forward and reverse.

Fuel & Capacities
21 gal 79.5 L
Transmission
7 forward and reverse

Overview

No photo available
1924 - 1927 Standard-tread tractor
Production
Manufacturer
Heider (a part of Rock Island)
Standard-tread tractor
Built in Rock Island, Illinois, USA
Heider C 15-27 Engine
Waukesha 7.8L 4-cyl kerosene
Fuel tank
21 gal 79.5 L
Engine details ...
Heider C 15-27 Transmission
7-speed unsynchronized gear
Transmission details ...
Heider C 15-27 Power
Drawbar (claimed)
15 hp 11.2 kW
Belt (claimed)
27 hp 20.1 kW
Drawbar (tested)
21.54 hp 16.1 kW
Belt (tested)
30.00 hp 22.4 kW
Performance test details ...
Mechanical
Two-wheel drive
Steering
manual
Four-post canopy.
Dimensions & Tires
Wheelbase
96 inches 243 cm
Front tire
30x5
Rear tire
57x10
Full dimensions and tires ...
Links
Heider 15-27: information at RIPC site

Engine

Engine Detail — 478 ci / 7.8 L Kerosene

Manufacturer
Waukesha
Fuel Type
Kerosene
Configuration
4-cylinder, liquid-cooled
Displacement
478 ci 7.8 L
Bore/Stroke
4.75x6.75 inches 121 x 171 mm
Rated RPM
900
Coolant capacity
36 qts 34.1 L

Transmission

Transmission — 7 forward and reverse unsynchronized gear

Type
unsynchronized gear
Gears
7 forward and reverse

Dimensions

Heider C 15-27 Tires
Ag front
30x5 steel
Ag rear
57x10 steel
Dimensions
Wheelbase
96 inches 243 cm
Length
144 inches 365 cm
Width
74 inches 187 cm
Height
96 inches 243 cm

Tests

Nebraska Tractor Test 114
Kerosene 7-speed 2WD May 7 - 13, 1925 Link: Nebraska Tractor Test 114 file
Belt power (max)
30.00 hp 22.4 kW
Belt fuel use (max)
4.6 gal/hour 17.4 l/hour
Drawbar performance
Max power
21.54 hp 16.1 kW
Gear 1 used for power test.
Max pull
3,302 lbs 1497 kg
Gear 1 used for pull test.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Heider C 15-27.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Heider C 15-27 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Heider C 15-27.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS

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