ZF 4WG94 / 5WG94 ERGOPOWER Transmission Service Repair Manual – PDF
$26.95
Official ZF Friedrichshafen AG Service Manual for ERGOPOWER 4WG-94 and 5WG-94 Powershift Transmissions.
Includes disassembly, reassembly, torque specifications, clutch diagrams, hydraulic schematics, pressure testing points, and lubrication instructions used in construction and industrial equipment.
Description
ZF 4WG94 / 5WG94 ERGOPOWER Transmission Service Repair Manual – ZF Friedrichshafen AG – PDF Download
Long Description
⚙️ Overview
The ZF 4WG94 / 5WG94 ERGOPOWER Transmission Service Manual provides comprehensive instructions for the repair, overhaul, and testing of ZF automatic powershift transmissions used in wheel loaders, graders, and other heavy-duty machinery.
Developed by ZF Friedrichshafen AG (Passau, Germany), this official repair guide covers complete disassembly, inspection, and reassembly procedures for both the 4-speed (4WG-94) and 5-speed (5WG-94) variants
410176502-4WG94-Transmission-Se…
The manual is designed for qualified mechanics trained in ZF transmission systems and provides critical information for maintaining OEM reliability, oil integrity, and precise clutch calibration.
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🧩 Contents Overview
Preface & General Information – Repair standards, required cleanliness, workshop safety, and ZF service recommendations.
Torque Specifications – Tightening torque tables for all standard ISO metric and fine threads, up to M39 bolts
410176502-4WG94-Transmission-Se…
Identification Plate & Spare Parts – Decoding transmission nameplate, ZF list numbers, and instructions for ordering OEM parts.
Configuration Diagrams – Detailed layout for both 4WG-94 and 5WG-94 versions, including clutch (KR, KV, K1–K4), PTO, and front-wheel drive assemblies.
Measuring Points & Test Connections – Pressure and temperature measuring points (M10x1, UNF fittings) for clutches, converter, and differential lock
410176502-4WG94-Transmission-Se…
Oil & Lubrication – Approved oil types per ZF TE-ML 03 lubricant list, including operating temperature ranges (80–90 °C).
Disassembly Procedures – Step-by-step teardown of solenoid valves, torque converter, main pressure valve, clutches, and transmission pump.
Clutch Overhaul – Exploded views and service instructions for all directional and gear clutches (KR, KV, K1–K4, VA), with air-pressure test verification for closing/opening.
Transmission Pump & Central Shaft – Replacement procedures, clearance checks, and wear inspection criteria.
Special & Commercial Tools – Detailed list of ZF-approved tools (e.g., 5870-350-000 assembly truck, 5873-001-026 grab sleeve, 5870-048-219 driver tool).
🧠 Technical Specifications
| Parameter | Specification |
|---|---|
| Transmission Models | ZF 4WG-94 / 5WG-94 ERGOPOWER |
| Design Level | 2006/12 – 3rd Edition (2012/03) |
| Type | Fully automatic powershift |
| Clutches | KR, KV, K1–K4, VA (front-wheel drive) |
| System Pressure | 16 ± 3 bar |
| Operating Temp. | 80 – 90 °C |
| Oil Type | ZF TE-ML 03 approved |
| Testing Ports | M10x1, UNF 9/16″–18, 3/4″–18 |
| Manufacturer | ZF Friedrichshafen AG, Passau, Germany |
📄 File Details
| Parameter | Details |
|---|---|
| File Name | 410176502-4WG94-Transmission-Service-Manual.pdf |
| Document No. | 5871 129 002 |
| Edition | 3rd Edition, March 2012 |
| Language | English |
| Pages | ≈ 139 |
| File Size | ≈ 5.15 MB |
| Format | Searchable PDF (OCR Enabled) |
| Compatibility | Windows / macOS / Android / iOS |
| Delivery | Instant Digital Download |
