Perkins 1103A-33TG1 Engine
The Perkins 1103A-33TG1 is a 3.3 L 3-cylinder turbocharged engine rated at 1800 rpm, producing up to 42.2 kW. It powers generator sets from Caps, FG Wilson, Olympian and Perkins, including the CP50-TP1, GTA 201AE20, LLB1514P and P32P3S. It holds 8.3 L (2.2 gal) of oil and 10.2 L (2.7 gal) of coolant.
Also known as: 1103A-33TG1, Perkins 1103A-33TG1
Part of the Perkins 1103A engine family — 4 variants share parts & fitment.
Service parts for the 1103A-33TG1
The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.
Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.
Engine specifications
| Oil capacity | 8.3 L |
|---|
| Coolant capacity | 10.2 L |
|---|
| Displacement | 3.3 L |
|---|
| Cylinders | 3 |
|---|
| Aspiration | Turbocharged |
|---|
| Rated speed | 1800 rpm |
|---|
| Gross power | 42 kW |
|---|
Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|
| Air filter | Replaceable Element | | 1000051238 | 261 hr | Amazon eBay $63.75 FridayParts $24.99 |
| Fuel filter | Replaceable Element | | — | 1484 hr | |
| Oil filter | Spin-On, Full Flow | | — | 1200 hr | |
| Battery | 12/Negative | | — | 100 hr | |
| Belt | N/A | | — | 1200 hr | |
| Coolant | Water | 8.0 l (US gal) | — | | |
| Coolant filter | Replaceable Element | | — | 100 hr | |
| Oil | Replaceable Element | 8.3 l (US gal) | — | 300 hr | |
| Spark plug | Replaceable Element | | — | 300 hr | |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Parts cataloged across the Perkins 1103A family
9| Part # | Description | Category |
|---|
| LL2014J | Alternator | alternator |
| 266-6830 | Fuel injector | injector |
| 1103A-33 | OIL FILTER | oil_filter |
| 1002T | 1002T Series Control Panel | other_service |
| 12/Negative | Engine Electrical System | other_service |
| DCP-10 | Control Panel | other_service |
| IP23 | Enclosure rating | other_service |
| R250 | IP23 | other_service |
| SD80 | Silencer | other_service |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Aftermarket parts that fit this engine
2Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
Filters for this engine
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
Also used in
2- Fg Wilson XP 44 E3 — Generator Set
- Fg Wilson XP 65 E3 — Generator Set
Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.
Common questions
What is the oil capacity of the Perkins 1103A-33TG1?
The Perkins 1103A-33TG1 engine has an oil capacity of 8.3 liters.
What is the displacement of the Perkins 1103A-33TG1?
The Perkins 1103A-33TG1 has a displacement of 3.3 liters with 3 cylinders.
Which generators use the Perkins 1103A-33TG1 engine?
The Perkins 1103A-33TG1 powers 16 generator set(s), including Caps CP50-TP1, FG Wilson GTA 201AE20, FG Wilson LLB1514P, FG Wilson P32P3S, FG Wilson P35-1S.
What air filter does the Perkins 1103A-33TG1 use?
The Perkins 1103A-33TG1 uses air filter part numbers Fg Wilson 1000051238, Perkins 901047, Donaldson P772579.
How often should you change the oil in the Perkins 1103A-33TG1?
The Perkins 1103A-33TG1 oil change interval is every 300 hours.