Specifications
| Fuel | gas |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 1940 kW |
| Standby kVA | 2528 |
| Prime power | 1966 kW |
| Controller | Emcp Ii |
| Oil capacity | 541.0 L |
| Alternator | SR4B (Class Class H insulation) |
| Voltage options | 400 V |
| Phase | 3 phase |
| Power factor | 1.0 |
| Battery voltage | 24 V |
| Coolant capacity | 541 L |
| Max ambient | 3000 °C |
| Dimensions (L×W×H) | 6322×1803×2465 mm |
| Dry weight | 18350 kg |
Engine
| Oil capacity | 541.0 L |
|---|---|
| Displacement | 86.3 L |
| Aspiration | Turbocharged Separate Circuit Aftercooled |
| Rated speed | 1200 rpm |
Maintenance & consumables
for the Caterpillar G3520C| 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) | — |
Service specifications
4| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | Rating condition (diesel 7 L and higher) | 99 kPa (29.31 in Hg) dry barometer, 25°C (77°F) | SAE J1995 inlet air standard | |
| Other | Rating condition (diesel up to 6.6 L) | 100 kPa (29.5 in Hg) total barometric pressure, 1 kPa (.295 in Hg) vapor pressure, 25°C (77°F) | ISO/TR14396 inlet air standard | |
| Other | Rating condition (gas) | 100 kPa (29.61 in Hg) and 25°C (77°F) | SAE J1349 standard | |
| Pressure | Explosion relief valve opening pressure | 1.6 psi (11 kPa) | psi (kPa) | per valve |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | Cat DEAC | Diesel; 3,000 Service Hours or Three Years; annual S·O·SSM Level 2 coolant sampling and analysis | |||
| Coolant | Cat ELC | Diesel; 12,000 Service Hours or Six Years; add Cat ELC Extender at 6,000 service hours or one half of service life; annual S·O·SSM Level 2 coolant sampling and analysis | |||
| Coolant | Cat NGEC | Natural Gas; 16,000 Service Hours or Three Years; use interval that occurs first | |||
| Engine oil | Cat NGEO | Natural Gas | |||
| Engine oil | low sulfated ash oil | Required for U.S. EPA Tier 4 Final, EU Stage IV engines. | |||
| Engine oil | Cat Arctic DEO SYN SAE 0W-30 | -40°C to 30°C | Engine Crankcase; Industrial Engines | ||
| Engine oil | Cat DEO SYN SAE 5W-40 | -30°C to 50°C | Engine Crankcase; Industrial Engines | ||
| Engine oil | Cat DEO SAE 10W-30 | -18°C to 40°C | Engine Crankcase; Industrial Engines | ||
| Engine oil | Cat DEO SAE 15W-40 | -9°C to 50°C | Engine Crankcase; Industrial Engines | ||
| Fuel | Ultra Low Sulfur Diesel (ULSD) | Contains less than or equal to 15 parts per million sulfur (mg/kg); required for U.S. EPA Tier 4 Final, EU Stage IV engines. B20 biodiesel capability available. | |||
| Grease | Cat Generator Set Grease | Part Number 108-8611 |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What size generator is the Caterpillar G3520?
The Caterpillar G3520 is rated 1940 kW standby (2528.0 kVA).
What engine does the Caterpillar G3520 use?
The Caterpillar G3520 is powered by the Caterpillar G3520C engine.
What fuel does the Caterpillar G3520 use?
The Caterpillar G3520 runs on gas.
How much oil does the Caterpillar G3520 take?
The Caterpillar G3520C engine in the Caterpillar G3520 has an oil capacity of 541.0 liters.
What alternator does the Caterpillar G3520 use?
The Caterpillar G3520 uses a SR4B alternator. Insulation class Class H.
Parts
12| 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-5303130 | Caterpillar® G3520 Modular Style Single Head Replacement Set | 1 | Single head replacement set | Amazon eBay |
| 142-5055 | Insulation Testing Group (Electrical) | Service part / kit | eBay | |
| LEXE0561-00 | November 2012 | Service part / kit | Amazon eBay | |
| LEXE4621 | LANDFILL powerprofile ©2004 Caterpillar | Service part / kit | Amazon | |
| LEXE8179-01 | May 2010 | 1 | Service part / kit | Amazon eBay |
| LEXE8830-00 | May 2008 | Service part / kit | Amazon eBay | |
| 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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 498.0 | 131.56 | |
| Prime | 50% | 297.0 | 11.092 |
| Prime | 75% | 418.0 | 15.564 |
| Prime | 100% | 502.0 | 132.61 |
| Standby | 509.0 | 134.46 |
Available documents
Engine spec (Caterpillar)Engine spec — LECH3874-07 (Caterpillar)Engine spec — LEHQ2635-03 (Caterpillar)Engine spec — LEHQ2635-07 (Caterpillar)Engine spec — LFDH5502-01 HR (Caterpillar)Engine spec — lecw2462-06 (Caterpillar)Spec sheet — G3520C-2458kVA (Caterpillar)Spec sheet — LEHE0002-00 (Caterpillar)Spec sheet — LEHE0004-00 (Caterpillar)Spec sheet — LEHE0009-03 (Caterpillar)Spec sheet — LEHE0238-00 (Caterpillar)Spec sheet — LEHE0289-00 (Caterpillar)Spec sheet — LEHE2832-02 (Caterpillar)Spec sheet — LEHE2832 (Caterpillar)Spec sheet — LEHE2833 (Caterpillar)Spec sheet — LEHE2834 (Caterpillar)Spec sheet — LEHE3418-02 (Caterpillar)Spec sheet — LEHE8967-00 (Caterpillar)Spec sheet — LEHE8968-00 (Caterpillar)Spec sheet — Spec+Sheet+2022+ekW+6600+Volts+G3520E+v3++FM (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)Reference — Final+Ratings+Guide LECW2462-15 9.8.11 (Caterpillar)Reference — Industrial rating guide (Caterpillar)Reference — LECW2462-01 (Caterpillar)Reference — LEDW6043-01 (Caterpillar)Reference — LEGH0002 (Caterpillar)Reference — Ratings Guide Port LPCW2462-15 final LR (Caterpillar)Parts manual — Caterpillar Engines (Caterpillar)Parts manual — LEXE7582-02 (Caterpillar)Service manual — Cat-Engine-Tools (Caterpillar)Service manual — G3520 Serv Ltr SEBE8548 (Caterpillar)