The Caterpillar 3512B TA is a 51.8 L 12-cylinder ta engine rated at 1500 rpm, producing up to 1200 kW. It powers generator sets from Caterpillar, including the DM8033, DM8038 and DM8044. It holds 310.4 L (82.0 gal) of oil and 286.8 L (75.8 gal) of coolant.
Also known as: CAT 3512B TA
Part of the Caterpillar 3512B engine family — 5 variants share parts & fitment.
| Oil capacity | 310.4 L |
|---|---|
| Coolant capacity | 286.8 L |
| Displacement | 51.8 L |
| Cylinders | 12 |
| Aspiration | TA |
| Rated speed | 1500 rpm |
| Gross power | 1200 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 1200 hr | find | ||
| Fuel filter | Secondary fuel filters | 1R0763 | 600 hr | PartsGeek | |
| Oil filter | 3890434 | 1200 hr | PartsGeek $30.97 | ||
| Belt | — | 1200 hr | find | ||
| Coolant | 1614.0 L | — | 3658 hr | ||
| Oil | Sump refill with filter | 310.4 L | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Part # | Description | Category |
|---|---|---|
| 105-amp | Alternator | alternator |
| M-7W6129 | Alternator, V, .63in (15.9mm) - 80.00in (2032mm) | belt |
| M-9L6639 | Alternator, V, .63in (15.9mm) - 57.01in (1448mm) | belt |
| 5N-5561 | Silicone Lubricant | fluid |
| 1R-0755 | High Efficiency Fuel Filter | fuel_filter |
| 326-1641 | Axial seal FWS | fuel_filter |
| 326-1643 | Radial seal FWS | fuel_filter |
| 326-1644 | Radial seal FWS | fuel_filter |
| 10R9951 | Head Gaskets | gasket |
| 1609874CAT | Single Cylinder Liner Gasket Set - 3406/ 3412 0.1 lbs/ 0.04 kgs | gasket |
| 1744947 | Aftercooler and Lines Gaskets | gasket |
| 2322507 | Manifold Gaskets | gasket |
| 2322521 | Turbocharger Gaskets | gasket |
| 2342795 | Injector Seals/Gaskets | gasket |
| DM-3E3305 | GASKET SET, WP OH 3412 | gasket |
| DM-8C4402 | GASKET SET, FUEL SYSTEM 3412 | gasket |
| M-4499116 | Gasket Set - Front Structure | gasket |
| M-4599781 | Gasket Set - Oil Cooler & Lines | gasket |
| M-4600714 | Gasket Set - Central & Lower | gasket |
| M-4600735 | Gasket Set - Rear Structure | gasket |
| M-4600780 | Gasket Set - Single Cylinder Head | gasket |
| 3N8449 | IMPELLER | impeller |
| IMP0026 | IMPELLER | impeller |
| 2322522 | Reman Injectors | injector |
| 128-6786 | Crankshaft Bare | other_service |
| 1440725 | Connecting rod | other_service |
| 1743191 | Reman Cylinder Heads | other_service |
| 177-9778 | Base | other_service |
| 195-1068 | Base | other_service |
| 206-5756 | PrimeTime Prime Only Configuration Kit | other_service |
| 245-5829 | Coolant Battery Tester Refractometer | other_service |
| 249-0437 | Oxidation Catalyst Assembly - Round | other_service |
| 256-0326 | Oxidation Catalyst Assembly - Round | other_service |
| 703493 | SHAFT | other_service |
| 7N3229 | Connecting rod | other_service |
| 8N1728 | Connecting rod | other_service |
| DZ111166 | (3402) (3404) (3408) (3409) (974G) | other_service |
| DZ114695 | DEF TANK INLET SCREEN | other_service |
| PEHJ0271 | Cat® Emissions Upgrade Kits for Select 3500 Marine Engines | other_service |
| PEHJ0287 | Cat® Performance Upgrade Kits for Select 3508, 3512, and 3516 Marine Engines | other_service |
| PEHP3036 | Cat Reman Short and Long Blocks | other_service |
| PEHP3036-01 | Cat Reman Short and Long Blocks | other_service |
| SHA0048 | SHAFT | other_service |
| g00104545 | Illustration 4 | other_service |
| g00107406 | Illustration 1: Safety message for the clutch located on the clutch housing (if equipped). | other_service |
| g00107407 | Illustration 2: Safety message for rotating gears that can cause entanglement of the fingers and hands. | other_service |
| g00294510 | Improper jumper cable connections can cause an explosion resulting in personal injury. | other_service |
| i01359666 | Crushing Prevention and Cutting Prevention | other_service |
| i01372247 | Mounting and Dismounting | other_service |
| i01372262 | Illustration 4: Safety message for flammable fluids and hot surfaces. | other_service |
| i01480768 | Burn Prevention | other_service |
| i01658146 | Important Safety Information | other_service |
| i01805780 | Before Starting Engine | other_service |
| i02345910 | Do not allow unauthorized personnel on the engine or around the engine when the engine is serviced. | other_service |
| 703613 | PUMP ASSY | pump |
| JPR-CT3412 | PUMP ASSY | pump |
| 113-8432 | Front Seal | seal |
| 5N2902 | OIL SEAL | seal |
| 5N6055 | M-SEAL | seal |
| JMK0002 | SEAL KIT | seal |
| MCSSET0009 | M-SEAL | seal |
| RET0020 | OIL SEAL | seal |
| ESD5526 | Speed Controller | speed_controller |
| PEHP7069-01 | Reman Water Pump | water_pump |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
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.
The Caterpillar 3512B TA engine has an oil capacity of 310.4 liters.
The Caterpillar 3512B TA has a displacement of 51.8 liters with 12 cylinders.
The Caterpillar 3512B TA powers 8 generator set(s), including Caterpillar 3512B TA, Caterpillar DM8033, Caterpillar DM8038, Caterpillar DM8044, Caterpillar DM8193.
The Caterpillar 3512B TA uses oil filter part numbers Caterpillar 3890434, Donaldson P551808, Wix 57792.
The Caterpillar 3512B TA uses fuel filter part numbers Caterpillar 1R0763, Caterpillar 3890433, Caterpillar 1110716.
The Caterpillar 3512B TA uses air filter part numbers Caterpillar 1W3636, Caterpillar 1327171, Donaldson P117781.