Wheel Horse 300/400 Series - Parts & Service Manual - Introduction

Oct 29, 2026

Wheel Horse 300/400 Series parts manual introduction describing how to use the illustrated parts reference system. It explains the manual’s section sequence, how major sections are subdivided into part groups with illustrations and illustration reference numbers, and how illustrated items map numerically to the parts listing on the facing page. It also covers locating parts by function, use, or location via the List of Illustrations, and highlights service aids such as owner & repair manuals and service bulletins, including special notes shown on illustrations.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages102

Reading Time4 h 17 min

AccessFree to download

1. How to use this parts manual

1.1 Manual structure and section sequence

1.2 Illustration numbering and item references

1.3 Quantity column notes with (X)

2. To locate parts

2.1 Using function, use, or location and List of Illustrations

3. Service aids

3.1 Owner & repair manuals and service bulletins

■ # Parts &ServiceManual E1-12K802/R1-12K01 312-8 8-SPEED B1-160802/R1-160801316-8 8-SPEED . ## WHEEL HORSE 300/400 SERIESPARTS &SERVICE MANUALINTRODUCTION PAGE ### 1.How to use this parts manual 1.1.The 300/400 Series parts manual is divided into major sections arranged in the sequence outlined on the following page.Major sections are subdivided into smaller groups of parts,each with its own illustration and illustration reference numbers. 1.2.Ilustrated items are numericallykeyed to the parts listing on the facing page.Hlustrations are repeated when the parts listis too long for one page.Figure numbers are located at the bottom of each illustration and also at the beginning of eachdescription column.Item numbers are numerically keyed to their respective illustrations. 1.3.When an (X)appears in the quantity(Qty)column use only if applicable,or as required to meet tolerances ### 2.To locate parts When function,use or location is known: Refer to the List of Illustrations to locate the proper llustration. ### 3.Service aids Special notes recorded on illustrations:Refer to available owner &repair manuals and service bulletins for detailed information. ### LIST OF ILLUSTRATIONS 1 SECTION-FIGURE NUMBER PAGE TITLE 2 Frame ………………………………………………………………………………………………………………………………………………………………………1-1 Mechanical Transmission-8 Speed…………………………………………………………………………………………………………………2-1,2 4-7 Front Axle and Steering……………………………………………………………………………………………………………………………………………3-1 Clutch, Brake and Speed Control Linkage ……………………………………………………………………………………………………………4-1 Hitches ………………………………………………………………………………………………………………………………………………………………………5-1 Lift Linkage. …………………………………………………………………………………………………………………………………………………………………5-2 Sheet Metal and Covers ……………………………………………………………………………………………………………………………………6-1,2,3 ngines. ………………………………………………………………………………………………………………………………………………………………………7-1 Kohler Engine Air Intake. ……………………………………………………………………………………………………………………………………………7-2 Kohler Engine Carburetor …………………………………………………………………………………………………………………………………………7-3 Kohler Engine Baffles & Shrouds ……………………………………………………………………………………………………………………………7-4 Kohler Engine Breather &Vent. ………………………………………………………………………………………………………………………………7-5 Kohier Engine Camshaft, Crankshaft &Valves ………………………………………………………………………………………………………7-6 Kohler Engine Crankcase &Cylinder Head ……………………………………………………………………………………………………………7-7 Kohler Engine Oil Pan & Dipstick……………………………………………………………………………………………………………………………7-8 Kohler Engine Piston &Ring …………………………………………………………………………………………………………………………………7-9 Onan Engine Cylinder Block …………………………………………………………………………………………………………………………………7-10 Onan Engine Crankshaft, Camshaft & Flywhee…………………………………………………………………………………………………7-11 Onan Oil Base, Fill Tube and Bracket ……………………………………………………………………………………………………………7-12 Onan Oil Filter …………………………………………………………………………………………………………………………………………………………7-13 Onan Gearcase and Ignition Control. …………………………………………………………………………………………………………………7-14 Onan Air Cleaner ……………………………………………………………………………………………………………………………………………………7-15 Onan Intake Manifold……………………………………………………………………………………………………………………………………………7-16 Onan Carburetor Component ………………………………………………………………………………………………………………………………7-17 Kohler Engine Starter…………………………………………………………………………………………………………………………………………8-1 Kohler Engine Flywheel……………………………………………………………………………………………………………………………………………8-2 Kohler Engine Fuel System. ……………………………………………………………………………………………………………………………………8-3 Kohler Engine Governor Linkage ……………………………………………………………………………………………………………………………8-4 Kohler Engine Ignition System. ………………………………………………………………………………………………………………………………8-5 Kohler Engine Throtte, Choke &Exhaust …………………………………………………………………………………………………………………8-6 Onan Engine Choke Linkage ……………………………………………………………………………………………………………………………………8-7 Onan Engine Blower Housing and Governor …………………………………………………………………………………………………………8-8 Onan Engine Starter…………………………………………………………………………………………………………………………………………………8

FAQs

How is the 300/400 Series parts manual organized?

It is divided into major sections arranged in the sequence outlined on the following page, and each major section is subdivided into smaller part groups with illustrations and illustration reference numbers.

How do illustration items correspond to the parts listing?

Illustrated items are numerically keyed to the parts listing on the facing page, and illustration figure numbers appear at the bottom of each illustration and also at the beginning of each description column.

What should you consult for service aids and special notes?

Special notes recorded on illustrations should be used together with available owner & repair manuals and service bulletins for detailed information.

Oct 29, 2026

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