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Yanmar B22 Series Parts Catalog (incl. Wiring)

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Model: B22-2 C(R)EP | B22-2 P(R)EP | B22-2 P[R] | B22-2 C[R]

Type: Crawler Backhoe

147 Pages·3.6 MB·Searchable PDF·English

✓ Wiring Diagrams
✓ Hydraulic Schematics
✓ Bookmarks

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Final drive seized, machine won't propel, or you're chasing the wrong part number. This 147-page B22-2 parts catalog covers all four variants. Order right the first time.

Need OEM part numbers for your Yanmar B22-2 crawler backhoe? All 147 pages of this Yanmar B22 Series Parts Catalog (OEM #Y00S3241) cover four variants: B22-2 C(R)EP, P(R)EP, P[R], and C[R]. Inside: exploded-view assemblies for hydraulics, engine, cab, drivetrain, chassis, and boom, each drawn to factory detail for confident component identification and part-number lookup. You also get wiring diagrams and a dedicated hydraulic parts section to nail down every fluid-circuit component by OEM number. Confirm your blade dimensions at 1360 x 300 mm before ordering; that's the kind of factory data that prevents wrong-parts returns. No more cross-referencing three aftermarket sheets to find one number. Download it, jump to the bookmarked section you need, and order the right part the first time.

What's Inside This Yanmar B22-2 C(R)EP, B22-2 P(R)EP, B22-2 P[R], B22-2 C[R] Parts Manual

System	Pages	Key Topics
Preface	1	Document Scope, Applicable Variants: B22-2 C(R)EP, P(R)EP, P[R], C[R]
Specifications	2	Model, Engine, Transport Length, Max. Digging Depth, Travel Speed, Machine Mass, Blade Dimensions 1360 X 300 Mm
Table of Painted Color	3	Yanmar New Permanent Yellow, Yanmar New Deep Green, Yanmar New Grayish Green, Yanmar Dark Olive Gray, Yanmar Charcoal Gray
Main Parts	4	Label, Cabin, Cabin Door, Canopy, Heater & Defroster, Seat Mount
Hydraulic Section	5	Hydraulic Pump, P.T.O. Valve, Filter Suction 172137-73700, Filter Assy Return 172141-73750, Boom Cylinder Seal Kit, Bucket Cylinder Seal Kit, Hose Routing
Parts Assemblies, Fig. 01–12	6	Chassis Frame, Cab Mounting, Canopy Brackets, Operator Platform, ROPS Structure
Parts Assemblies, Fig. 13–24	7	Engine Components, Fuel System, Cooling System, Air Filter, Exhaust
Parts Assemblies, Fig. 25–36	8	Drivetrain, Travel Motor, Final Drive, Sprocket, Undercarriage Components
Parts Assemblies, Fig. 37–48	9	Boom Assembly, Arm Assembly, Bucket Linkage, Pin and Bushing Kits, Boom Foot
Parts Assemblies, Fig. 49–60	10	Wiring Harness, Electrical Components, Switch Assemblies, Lighting Circuits, Instrument Panel
Parts Assemblies, Fig. 61–147	11-147	Control Valves, Swing Motor, Blade Assembly, Track Shoes, Idler Assembly, OEM Part Number Index

Quick Reference Specifications

Specification	Value	Page
Blade Width x height	1360 x 300 mm	p. 2

Yanmar B22-2 C(R)EP, B22-2 P(R)EP, B22-2 P[R], B22-2 C[R] Common Problems This Manual Covers

Yanmar B22-2 final drive seized or leaking, can't identify travel motor components for parts order

Open the drivetrain exploded view. Identify the travel motor assembly and each internal component by position number. Cross-reference those numbers against to confirm the correct Yanmar part numbers. The C[R] and P[R] configurations may use different final drive assemblies, so verify your model suffix before ordering any internal parts.

Manual Section: Undercarriage & Travel System Parts

Hydraulic hoses cracked or fittings weeping, need exact part numbers to order correct replacement hose assemblies

Find each hose routing in the hydraulic parts diagram. Identify hose assemblies and fittings by position number in the exploded view, then match those numbers to the parts list for the correct Yanmar part numbers. Hose assemblies are indexed by routing path and port configuration, so pull the full position number before contacting your dealer.

Manual Section: Hydraulic System Component Identification

Engine oil filter or fuel filter part number unknown, need correct OEM filter for next service interval

Locate each filter housing in the engine parts diagram. Match the position number to the parts list for the OEM Yanmar filter part number. Order by Yanmar part number rather than aftermarket cross-references to ensure the correct bypass valve setting and thread pitch for this engine family.

Manual Section: Engine & Fuel System Parts

Boom or bucket cylinder visibly leaking, need seal kit part numbers before machine goes down for repair

Check the boom and attachment parts diagram. Locate the affected cylinder assembly by position number in the exploded view, then pull the seal kit part numbers from the parts list. Seal kits are catalogued as complete assemblies and as individual rings, so confirm which components have failed before placing the order.

Manual Section: Cylinder & Attachment Parts

Blade cutting edge worn through or dozer hardware damaged, need part numbers for replacement components

Reference the chassis parts diagram for blade assembly position numbers. The B22-2 blade measures 1360 x 300 mm (per page 2 specifications). Match position numbers to the parts list for cutting edge, end bits, and mounting hardware part numbers. Verify your model suffix (C[R] versus P[R]) before ordering, as blade variants may differ between configurations.

Manual Section: Undercarriage & Travel System Parts

Frequently Asked Questions

What are the part numbers for the hydraulic filters on the Yanmar B22-2?

The Yanmar B22-2 Parts Catalog (OEM #Y00S3241) lists two hydraulic filters: FILTER, SUCTION with part number 172137-73700 (qty 1), and FILTER ASSY, RETURN with part number 172141-73750 (qty 1). Both are found in the P.T.O. VALVE section on page 114.

How do I identify and order boom cylinder and bucket cylinder seal kits for the Yanmar B22-2?

Open the exploded-view assembly pages for the boom and bucket cylinder sections. Each component is numbered and mapped to an OEM part number in the parts list table. Identify the seal kit part number by locating the cylinder in the assembly, then cross-reference the position number to the parts list. Confirm your variant suffix (C(R)EP, P(R)EP, P[R], or C[R]) before ordering as some component numbers may vary by configuration.

How do I trace hydraulic hose routing on the Yanmar B22-2 crawler backhoe?

The Yanmar B22-2 Parts Catalog includes a dedicated hydraulic parts section with exploded-view diagrams covering the complete fluid circuit — from the hydraulic pump through the control valves, boom and bucket cylinders, and return filters. Use the hydraulic hose assembly pages to identify each hose by position number, then cross-reference to the parts list for the correct OEM part number and quantity. The FILTER SUCTION (172137-73700) and FILTER ASSY RETURN (172141-73750) are key reference points for the circuit.

Does the Yanmar B22-2 Parts Catalog include wiring diagrams and electrical components?

Yes. The Yanmar B22-2 Parts Catalog (OEM #Y00S3241, 147 pages) includes wiring diagrams and an electrical section with exploded-view parts breakdowns for electrical assemblies. You can identify harness routing, switch components, and electrical part numbers directly from the catalog. This covers all four B22-2 variants: C(R)EP, P(R)EP, P[R], and C[R].

How do I fix Yanmar B22-2 final drive seized or leaking — can I identify travel motor components from this parts catalog?

Open the drivetrain exploded-view pages in the catalog. Identify the travel motor assembly and each internal component by position number. Cross-reference those numbers against the parts list to confirm the correct Yanmar OEM part numbers. Different configurations may use different final drive assemblies, so verify your model suffix (C(R)EP, P(R)EP, P[R], or C[R]) before ordering any internal parts.

Document Quality

This document is a scanned PDF with an OCR layer, ensuring all text is fully searchable and copyable. The text quality is consistently crisp and very easy to read throughout, with no blurriness or fading. Diagrams and illustrations are clear line drawings, and all labels within them are legible, making them easy to interpret. Pages are uniformly clean, free of scan artifacts or marks, though you will find numerous filler pages containing only the OCR text.

Brand	Yanmar
Model	B22-2 C(R)EP, B22-2 P(R)EP, B22-2 P[R], B22-2 C[R]
Machine Type	Crawler Backhoe
Manual Type	Parts Manual
Language	English
Format	Searchable PDF (Digital Download)
Pages	147
File Size	3.6 MB
OEM Part Number	Y00S3241
Wiring Diagrams	Yes
Hydraulic Schematics	Yes
Torque Specifications	No
Bookmarked / Indexed	Yes
Document Quality	Medium

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