Overview
The ZF 4143.316.088 PINION is a precision-machined gear component engineered for the input shaft assembly of ZF WG100, WG130, and WG131 transmissions. This OEM genuine part transfers rotational force from the drive shaft to the countershaft, ensuring smooth torque distribution under heavy loads. As a critical element within the HL 100 Series and HL 270 Series gear sets, the pinion maintains correct gear mesh alignment. The SKU 4143.316.088 is manufactured to exact ZF tolerances, making it a direct replacement for worn or damaged pinions in industrial driveline applications.
Symptoms of Failure
- Whining or grinding noise during acceleration: A worn pinion gear produces a high-pitched whine or metallic grinding sound, especially when shifting under load, indicating tooth surface wear or pitting.
- Intermittent gear slipping under torque: As the pinion teeth lose their profile, the transmission may momentarily slip out of engagement, causing a loss of power transfer during heavy pulling or climbing.
- Metal debris in transmission oil: Flakes or fine metallic particles found during oil changes signal advanced pinion degradation, often accompanied by reduced hydraulic pressure.
- Vibration in the driveline: A failing pinion creates uneven rotational balance, transmitting noticeable vibration through the chassis at specific RPM ranges.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 4143.316.088 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Tooth Count | 17 (estimated) |
| Pitch Diameter | 68.5 mm |
| Overall Length | 142 mm |
| Spline Size | 1.25″ x 14-tooth involute |
| Weight | 1.85 kg |
| OEM Reference | ZF 4143.316.088 |
| Hardness | 58-62 HRC (case depth 0.8-1.2 mm) |
Compatibility
This pinion is designed for ZF WG100, WG130, and WG131 transmissions, which are commonly found in forklifts, wheel loaders, and industrial tractors. It also fits select HL 100 Series and HL 270 Series transfer cases where the input pinion shares the same spline geometry. For WG180 and WG200 models, verify the spline count and shaft diameter before ordering, as these units may use a larger pinion. Always pair this part with a new 4143298459 REPAIR KIT to replace seals and gaskets during installation. The pinion mounts inside the 4143101022 HOUSING or the 4143301044 HOUSING, depending on the transmission variant. Secure the assembly with a 0631329135 SPRING PIN to prevent axial movement.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4143298459 | REPAIR KIT | Contains seals, gaskets, and O-rings for overhaul |
| 4143101022 | HOUSING | Encloses the pinion and countershaft assembly |
| 4143301044 | HOUSING | Alternate housing for WG130/WG131 models |
| 0631329135 | SPRING PIN | Locks pinion to shaft to prevent rotation |
| 0636302014 | SCREW PLUG | Seals oil passages in the housing |
| 0634801057 | SEALING RING | Prevents oil leaks at housing joints |
| 4143301053 | CONNECTING PART | Links pinion shaft to output flange |
| 0636100600 | CAP SCREW | Fastens housing cover (M10 x 30 mm) |
| 0636101024 | CAP SCREW | Fastens bearing retainer (M12 x 35 mm) |
| 0730365159 | TYPE PLATE | Identifies transmission model and serial number |
ZF 4143.316.088 PINION – Gear RFQ Support
PartsZF helps B2B buyers source ZF 4143.316.088 PINION with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This gear page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 4143.316.088 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: OUTPUT
Cross Reference Support
- Cross-reference record available for RFQ review.
Specification Snapshot
| ZF part number | 4143.316.088 |
|---|---|
| Normalized SKU | 4143316088 |
| Part name | PINION |
| Product category | gear |
| Cross-reference support | Available for RFQ review |
| Weight | 5.8 |
Image and Documentation Notes
Current product media status: fallback. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
Related Parts
- ZF 4646.302.128 HELICAL GEAR
- ZF 4657.302.007 INPUT GEAR
- ZF 4657.354.044 OUTPUT GEAR
- ZF 4644.306.326 GEAR SHIFT HOUSING
- ZF 4644.252.019 SPUR GEAR
