Overview
The ZF 2099.110.077 P.T.O. SHAFT is a critical power take-off component engineered for the WG100, WG130, and WG131 transmission series. This OEM genuine part transfers rotational energy from the transmission’s internal gearing to auxiliary hydraulic pumps or driven equipment. Positioned within the gear train’s output cluster, the shaft ensures seamless engagement and disengagement of power for vocational applications such as dump trucks, concrete mixers, and refuse vehicles. The SKU 2099.110.077 is precision-machined to ZF’s factory tolerances, guaranteeing a direct fit without modification.
Symptoms of Failure
- Intermittent P.T.O. engagement failure: When the shaft splines wear unevenly, the power take-off may fail to lock or disengage, causing erratic operation during low-speed maneuvers.
- Metallic grinding noise from transmission housing: A worn 2099.110.077 shaft often produces a high-pitched grinding sound as the splines clash against the mating gear, especially under load.
- Hydraulic pump output fluctuation: If the shaft develops torsional fatigue, auxiliary pumps driven by the P.T.O. will deliver inconsistent pressure, leading to sluggish hydraulic functions.
- Oil seepage near the P.T.O. mounting flange: A deformed shaft can compromise the seal surface, allowing transmission fluid to weep along the output bore.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2099.110.077 |
| Overall Length | 245 mm |
| Spline Diameter | 32 mm (10-tooth involute) |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 1.85 kg |
| OEM Reference | ZF 2099.110.077 |
| Surface Treatment | Black oxide corrosion resistance |
Compatibility
This P.T.O. shaft is factory-specified for ZF WG100, WG130, and WG131 transmissions. It also retrofits into WG180 and WG200 series gearboxes when used with the correct shift collar. The 2099.110.077 interfaces directly with the DIFFERENTIAL (2093109029) and the TAPER ROLLER BEARING (0750117075) to stabilize axial loads. For complete assembly, pair it with the DIFFERENTIAL (2093209094) and the DIFF.HOUSING (2093309078) to ensure proper gear mesh alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109029 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and thrust loads on shaft |
| 2093209094 | DIFFERENTIAL | Secondary torque split for planetary gears |
| 2093309078 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Locks shaft to shift fork |
| 0730300820 | THRUST WASHER | Reduces axial friction on shaft shoulder |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to differential ring gear |
| 2097309085 | DIFFERENTIAL AXLE | Carries side gears within housing |
| 5838300811 | THRUST WASHER | Prevents gear end-play in differential |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with axle bevel gear for rotation |
Frequently Asked Questions
Q: Can the 2099.110.077 shaft be used in a ZF WG180 transmission without modification?
A: Yes, the shaft is dimensionally identical for WG180 series, but you must verify the shift collar spline count matches the 10-tooth involute pattern. Always inspect the mating DIFFERENTIAL (2093109029) for wear before installation.
Q: How do I confirm the shaft is worn before replacement?
A: Measure the spline root diameter with a caliper. If it falls below 30.2 mm, the shaft has exceeded its service limit. Also check for visible scoring on the seal journal—this often accompanies the oil seepage symptom.
Q: Does this part include the retaining ring or spring pin?
A: No, the 2099.110.077 is sold as the bare shaft. You will need the SPRING PIN (0631100223) and THRUST WASHER (0730300820) for a complete rebuild.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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ZF 2099.110.077 P.T.O. SHAFT – Shaft RFQ Support
PartsZF supports RFQ preparation for ZF 2099.110.077 P.T.O. SHAFT where shaft identification and documentation review are required before ordering.
Part-Number Summary
Use ZF number 2099.110.077 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: TRA 16
- Illustration section: P.T.O. SHAFT
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 2099.110.077 |
|---|---|
| Normalized SKU | 2099110077 |
| Part name | P.T.O. SHAFT |
| Product category | shaft |
| RFQ support | Part-number lookup and documentation review |
| Media support | Product photo or diagram review when available |
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.
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- ZF 2093.110.011 P.T.O. SHAFT
- ZF 5838.300.106 INPUT SHAFT
