Cummins C20 N6 – C60 N6H Generator Set Parts Manual – PDF
$29.95
Official Cummins Power Generation Parts Manual A046Z094 (Issue 5 – March 2014) for C20 N6 to C60 N6H natural-gas generator sets powered by the QSJ2.4 engine with PowerCommand 1.1 control.
Includes fully illustrated breakdowns, part numbers, and component tables for engine, alternator, cooling, and electrical systems – a must-have for maintenance and rebuilds.
Description
The Cummins C20 N6 – C60 N6H Generator Set Parts Manual (A046Z094 Issue 5 – March 2014) provides complete OEM component listings and exploded diagrams for natural-gas generator sets powered by the QSJ2.4 engine with PowerCommand 1.1 control.
It details every assembly – from the engine block to electrical modules – with official Cummins part numbers, material codes, and quantities for each sub-component.
IMAGES:
Contents Summary
Safety Precautions & Labels: Official Cummins and OSHA warnings for fuel, oil, and personal protection.
Model Identification: Serial-number locations for engine & generator plates; ECM software recording.
Abbreviations & Symbols: Definitions of ECM, AVR, MCCB, RTD, AWG and other Cummins terminology.
Consumables: Filter, belt, plug references and paint codes (Onan Green / Sandstone).
Engine Assembly & Accessories
Full QSJ2.4 spark-ignited engine layout including housing, flywheel, starter, and sensors.
Fuel & Air System: Regulators, air filters (A042Y176 / A042Y252), gas mixers, pressure adapters.
Cooling System: Radiator, coolant piping, heaters for U.S./Canada variants.
Alternator Drive & Mounts: Fan assemblies, belts, supports, and brackets with torque values.
Generator & Electrical Sections
Complete alternator and terminal box diagrams with current transformers and heater kit options.
Control Modules: PowerCommand 1.1 interface wiring, display panel layouts, and breaker connections.
Harness Routing: Color-coded wiring maps for sensors, fuses, and voltage-regulation paths.
Chassis & Accessories
Frame Assembly: Skid pan, battery tray, enclosure structure, muffler and mount hardware.
Optional Equipment: 12 V battery charger, generator heater, and coolant heater kits.
Engine and Electrical Specifications
Each generator model (C20, C25, C30, C36, C40, C45, C50, C60) uses the QSJ2.4 four-cylinder spark-ignited engine, rated 20 – 60 kW at 60 Hz with a 12 V starting system.
| Parameter | Value |
|---|---|
| Output Range | 20 – 60 kW Continuous |
| Fuel Type | Natural Gas / LPG |
| Starting System | 12 V DC |
| Cooling | Liquid-cooled, optional heater kits |
| Control | PowerCommand 1.1 microprocessor |
Component Groups & Pages
| Group | Page Range | Key Items |
|---|---|---|
| Engine Service Parts | 82 – 121 | Oil filter A044D820, timing belts A044H696 / A044H716, spark plugs A044H806 |
| Exhaust & Silencer | 87 – 90 | Mufflers, exhaust connections |
| Fuel Supply System | 92 – 121 | Hoses, switches, fittings |
| Cooling System | 126 – 146 | Pump, radiator, heater, sensor kits |
| Generator & Electrical | 149 – 230 | Alternator, bearings, CTs, terminal boxes |
| Chassis / Frame | 163 – 172 | Skid pan & base assemblies with bolt references |
Related Cummins Publications
Installation Manual: A045R241
Operator Manual: A045R242
Service Manual: A045R243
Standard Repair Times (SRT): A046Z094
Service Tool Manual: A043D529
🧾 File Details
Document No.: A046Z094 – Issue 5 (March 2014)
Models Covered: C20 N6 – C60 N6H Generator Sets
Engine: QSJ2.4 Spark Ignited
Control: PowerCommand 1.1
Pages: ≈ 230
Format: Searchable PDF (OCR-enabled)
Language: English
File Size: ≈ 30 MB
Quality Notes: High-resolution factory scan with crisp illustrations and parts indexes.
✅ Verified Cummins factory content
💾 Instant digital download – keep for life
🔍 Perfect for technicians, dealers, and generator restorers
