ZF 0730.109.580 SHIM | OEM Genuine Part

Overview

The ZF 0730.109.580 SHIM is a precision-engineered spacer component designed to maintain exact axial clearances within heavy-duty ZF transmissions. Positioned between rotating assemblies and housing surfaces, this OEM genuine part prevents metal-on-metal contact and ensures proper load distribution across gear trains. The SKU 0730.109.580 is critical for eliminating end-play in the main shaft cluster, directly influencing shift quality and torque transfer efficiency. When installed alongside a 2094104412: MAIN SHAFT or 2094304054: MAIN SHAFT, this shim guarantees the precise preload necessary for smooth planetary gear operation in construction machinery transmissions.

Symptoms of Failure

• Transmission gear slipping under load — Worn shims allow excessive axial movement, causing the main shaft to lose engagement with clutch packs, resulting in power loss during excavation or grading operations.
• Metallic grinding noise from the bell housing — Degraded shim thickness permits gear clash between the 2094106010: SHIFT SYSTEM components and housing walls, producing audible high-pitched scraping sounds.
• Oil contamination with brass or steel particles — As the shim wears, microscopic debris circulates through the hydraulic system, clogging valve bodies and accelerating wear on the 2094206001: GEARSHIFT SHAFT assembly.
• Intermittent engagement in forward/reverse gears — Fluctuating clearances cause delayed or harsh shifting, particularly noticeable when transitioning between low and high range in wheel loaders.

Technical Specifications

Specification	Value
Part Number	0730.109.580
Material	Hardened spring steel (DIN 17222)
Outer Diameter	68.5 mm
Inner Diameter	42.0 mm
Thickness	1.25 mm
Weight	0.035 kg
OEM Reference	ZF 0730.109.580
Surface Finish	Ground, deburred edges

Compatibility

This shim is engineered for ZF WG-series powershift transmissions commonly used in construction machinery. Verified compatible models include:

• ZF WG180 — 6-speed, used in mid-size wheel loaders and telehandlers
• ZF WG200 — 6-speed, found in articulated dump trucks and graders
• ZF WG210 — 6-speed, applied in heavy excavators and crawler dozers
• ZF WG310 — 8-speed, utilized in large mining trucks and material handlers

Always verify clearance requirements using the factory service manual when replacing this shim in conjunction with the 2094304054: MAIN SHAFT or shift rail components.

Related Components

Part Number	Name	Function
2094104412	MAIN SHAFT	Transfers torque from engine to planetary gears
2094304054	MAIN SHAFT	Alternate splined shaft for high-torque applications
2094106010	SHIFT SYSTEM	Hydraulic valve assembly controlling clutch engagement
2094206001	GEARSHIFT SHAFT	Mechanical linkage for gear selection
2094306053	GEARSHIFT SHAFT	Replacement shaft for WG200 series
0630513070	SNAP RING	Retains shim and bearings on shaft
2094306019	WASHER	Thrust washer for axial load distribution
0732040444	COMPRESSION SPRING	Provides preload to shift fork mechanism
0732040728	COMPRESSION SPRING	Heavy-duty spring for high-cycle applications
2093206001	BUSH	Guide bushing for gearshift shaft alignment

Frequently Asked Questions

Q: Can I reuse the ZF 0730.109.580 shim during a transmission rebuild?
No. This shim is a single-use component that compresses and work-hardens during service. Reusing it will result in incorrect axial clearance, leading to premature bearing failure and gear slippage. Always install a new OEM shim when replacing the 2094104412: MAIN SHAFT or performing a full overhaul.

Q: How do I measure the correct shim thickness for my ZF WG200 transmission?
Use a depth micrometer to measure the gap between the bearing race and housing shoulder after installing the main shaft. Subtract the measured gap from the specified preload value (typically 0.05–0.15 mm) to determine the required shim thickness. The 0730.109.580 offers a 1.25 mm baseline; stack multiple shims if needed, but never exceed two.

Q: What happens if I install a shim that is too thick?
Excessive shim thickness will over-preload the bearings, generating heat and causing rapid wear on the 2094106010: SHIFT SYSTEM components. This can lead to bearing seizure, shaft scoring, and eventual transmission failure within 50–100 operating hours.