Specifications
| Fuel | gas |
|---|---|
| Frequency | 50.0 Hz |
| Prime power | 1000 kW |
| Controller | Emcp Ii |
| Alternator | SR4B (Class Class H insulation) |
| Voltage options | 400 V |
| Phase | 3 phase |
| Power factor | 0.8 |
| Max ambient | 1500 °C |
| Dimensions (L×W×H) | 4625×1828×2255 mm |
| Dry weight | 10886 kg |
Engine
| Displacement | 51.8 L |
|---|---|
| Aspiration | Turbocharged Separate Circuit Aftercooled |
| Rated speed | 1500 rpm |
Maintenance & consumables
for the Caterpillar G3512E| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Clean with soap and water solution if differential pressure exceeds 15.2 mm (0.6 inch) of water; replace if necessary | — | |||
| Fuel filter | one micron particle size with maximum 2 psi | — | |||
| Oil filter | — | 1500 hr | |||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | 24000 hr | |||
| Oil | — | ||||
| Spark plug | Electrode gap: compression ratio >9:1 = 0.29 ± 0.03 mm (0.011 ± 0.001 inch); compression ratio ≤9:1 = 0.35 ± 0.03 mm (0.014 ± 0.001 inch). Install torque 68 ± 4 N·m (50 ± 3 lb ft) | — |
Common questions
Which engine powers the Caterpillar G3512E?
The Caterpillar G3512E is powered by the Caterpillar G3512E engine.
What fuel does the Caterpillar G3512E use?
The Caterpillar G3512E runs on gas.
What alternator comes on the Caterpillar G3512E?
The Caterpillar G3512E uses a SR4B alternator. Insulation class Class H.
Parts
9| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 146-2588 | Spark Plug | Spark plug | eBay | |
| 194-8518 | Spark Plug | Spark plug | Amazon eBay $399.99 FridayParts $63.99 | |
| 9U-7511 | Spark Plug Seat Cleaner | Spark plug | eBay | |
| 9U-7516 | Spark Plug Gauge | Spark plug | eBay $50.00 | |
| 9Y-6792 | Gasket (spark plug) | Spark plug | Amazon eBay $9.50 | |
| M-2018300 | Rocker Arm Bushing | Bushing | Amazon eBay | |
| 142-5055 | Insulation Testing Group (Electrical) | Service part / kit | eBay | |
| G3512E | 1 | Service part / kit | eBay $269.90 FridayParts $42.73 | |
| PEHJ0204 | ADEM III System | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Spec sheet — G3512E.1000kW.1250KVA english (Caterpillar)Reference — CHP-CAT-G3500-Series-Gas-Generator-Sets-Brochure (Caterpillar)Reference — Cat Gas Genset Ratings Efficiencies LEXE0422-03 (Caterpillar)Reference — Caterpillar-Oil-and-Gas-Ratings-Guide-2021-03 (Caterpillar)Parts manual — LEXE7582-02 (Caterpillar)