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Caterpillar 3512B Engine Engine

The Caterpillar 3512B is a 51.8 L 12-cylinder turbocharged-aftercooled engine rated at 1000 rpm, producing up to 933 kW. It powers generator sets from Caterpillar, including the 3412, 3508, 3512 and Cat 3512B. It holds 151 L (39.9 gal) of oil and 181.7 L (48.0 gal) of coolant.

Also known as: Caterpillar 3512B

Part of the Caterpillar 3512B engine family — 6 variants share parts & fitment.

51.8 L
Displacement
12
Cylinders
1000 rpm
Rated speed
933 kW
Gross power

Engine specifications

Oil capacity151.0 L
Coolant capacity181.7 L
Displacement51.8 L
Cylinders12
AspirationTurbocharged-Aftercooled
Rated speed1000 rpm
Gross power933 kW

Generator sets powered by this engine

11
Caterpillar 3412Caterpillar 3508Caterpillar 3512Caterpillar Cat 3512BCaterpillar DM3066Caterpillar DM3067Caterpillar DM3068Caterpillar DM3069Caterpillar PM1360Caterpillar SR4BCaterpillar XQ 1500

Parts cataloged across the Caterpillar 3512B family

19
Part #DescriptionCategory
105-ampAlternatoralternator
1440725Connecting rodsconnecting_rod
PK48000M4 tonne Palfinger PK48000M hydraulic cranecrane
1R-0755High Efficiency Fuel Filterfilter
5N-5561Silicone Lubricantfluid
10R9951Head Gasketsgasket
1744947Aftercooler and Lines Gasketsgasket
2322507Manifold Gasketsgasket
2322521Turbocharger Gasketsgasket
2342795Injector Seals/Gasketsgasket
2322522Reman Injectorsinjector
128-6786Crankshaft Bareother_service
1743191Reman Cylinder Headsother_service
249-0437Oxidation Catalyst Assembly - Roundother_service
PEHJ0271Cat® Emissions Upgrade Kits for Select 3500 Marine Enginesother_service
PEHJ0287Cat® Performance Upgrade Kits for Select 3508, 3512, and 3516 Marine Enginesother_service
113-8432Front Sealseal
245-5829Coolant Battery Tester Refractometersensor
ESD5526Speed Controllerspeed_controller

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

60
4309449 PartsGeek atldiesel $75.80 793F PartsGeek yemparts $98.05 795F PartsGeek yemparts $159.22 797F PartsGeek yemparts $98.05 162-3906 PartsGeek FridayParts $59.98 3508B PartsGeek yemparts $32.22 3512B PartsGeek yemparts $32.22 3516B PartsGeek yemparts $32.22 10R-1264 PartsGeek advancedtruck $1099.00 3E-6466 PartsGeek FridayParts $73.99 162-2073 PartsGeek FridayParts $73.99 3406C PartsGeek atldiesel $0.73 910E PartsGeek yemparts $42.24 914G PartsGeek yemparts $42.24 918F PartsGeek yemparts $42.24 924F PartsGeek FridayParts $78.60 962G PartsGeek yemparts $54.51 334-8049 PartsGeek FridayParts $56.69 777E PartsGeek yemparts $54.51 773E PartsGeek yemparts $70.88 771D PartsGeek yemparts $62.40 775D PartsGeek yemparts $62.40 415-2428 PartsGeek FridayParts $269.59 3516C PartsGeek yemparts $32.22 3512C PartsGeek yemparts $32.22 334-5409 PartsGeek FridayParts $69.99 776D PartsGeek yemparts $66.79 784C PartsGeek yemparts $66.79 621G PartsGeek yemparts $44.95 623G PartsGeek yemparts $92.01 627G PartsGeek yemparts $80.13 631D PartsGeek yemparts $84.78 261-6848 PartsGeek FridayParts $159.99 992G PartsGeek yemparts $50.09 992K PartsGeek sinocmp $59.00 994H PartsGeek yemparts $68.14 415-2430 PartsGeek yemparts $252.20 3508C PartsGeek yemparts $47.02 3E-7826 PartsGeek FridayParts $199.59 785B PartsGeek yemparts $70.88 789B PartsGeek yemparts $70.88 793B PartsGeek yemparts $70.88 109-4367 PartsGeek FridayParts $179.99 261-6847 PartsGeek FridayParts $112.35 993K PartsGeek yemparts $141.96 164-2441 PartsGeek FridayParts $120.99 6L-8617 PartsGeek atldiesel $9.99 3L-2866 PartsGeek FridayParts $39.59 231D PartsGeek yemparts $45.87 233-7973 PartsGeek FridayParts $915.75 SPF343 PartsGeek yemparts $76.32 297-9546 PartsGeek FridayParts $499.99 776C PartsGeek yemparts $45.87 784B PartsGeek yemparts $66.79 314-4130 PartsGeek FridayParts $669.89 C175 PartsGeek yemparts $32.09 994D PartsGeek yemparts $592.65 994F PartsGeek yemparts $176.66 365-4922 PartsGeek FridayParts $319.99 4M-0736 PartsGeek FridayParts $89.99

Parts 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

  • Air filter: Caterpillar 1W3636 Caterpillar 1327171 Donaldson P117781 Donaldson P526415 Ac Delco A902C Ac Delco A1573C
  • Fuel filter: Caterpillar 1R0763 Caterpillar 3890433 Caterpillar 1110716 Donaldson P551313 Donaldson P551316 Donaldson P552020 Ac Delco TP1045
  • Fuel filter (primary): Caterpillar 1110716 Donaldson P552020 Ac Delco TP1045
  • Fuel filter (secondary): Caterpillar 1R0763 Donaldson P551313
  • Oil filter: Caterpillar 3890434 Donaldson P551808

Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.

Common questions

What is the oil capacity of the Caterpillar 3512B?

The Caterpillar 3512B engine has an oil capacity of 151.0 liters.

What is the displacement of the Caterpillar 3512B?

The Caterpillar 3512B has a displacement of 51.8 liters with 12 cylinders.

Which generators use the Caterpillar 3512B engine?

The Caterpillar 3512B powers 11 generator set(s), including Caterpillar 3412, Caterpillar 3508, Caterpillar 3512, Caterpillar Cat 3512B, Caterpillar DM3066.