The Caterpillar G3520C is a 86.3 L 20-cylinder turbocharged separate circuit aftercooled engine rated at 1200 rpm, producing up to 2144 kW. It powers generator sets from Caterpillar, including the G3520. It holds 541 L (142.9 gal) of oil.
Also known as: G3520C, CAT G3520C
Part of the Caterpillar G3520C engine family — 2 variants share parts & fitment.
| Oil capacity | 541.0 L |
|---|---|
| Displacement | 86.3 L |
| Cylinders | 20 |
| Aspiration | Turbocharged Separate Circuit Aftercooled |
| Rated speed | 1200 rpm |
| Gross power | 2144 kW |
| 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.
| 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.
| Part # | Description | Category |
|---|---|---|
| LEXE0561-00 | November 2012 | other_service |
| LEXE4621 | LANDFILL powerprofile ©2004 Caterpillar | other_service |
| M-5303130 | Caterpillar® G3520 Modular Style Single Head Replacement Set | single_head_replacement_set |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
The Caterpillar G3520C engine has an oil capacity of 541.0 liters.
The Caterpillar G3520C has a displacement of 86.3 liters with 20 cylinders.
The Caterpillar G3520C powers 1 generator set(s), including Caterpillar G3520.