Facts About Generators
GeneratorsDirectoryEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Engines›Caterpillar 3508B

Caterpillar 3508B Engine Engine

The Caterpillar 3508B is a 34.5 L 8-cylinder watercooled diesel engine rated at 1000 rpm, producing up to 649 kW. It powers generator sets from Caterpillar, including the 3508, 3508B 50Hz, 3508B 60Hz and SR4B. It holds 240 L (63.4 gal) of oil and 55 L (14.5 gal) of coolant.

Also known as: Caterpillar 3508B, 3508B

Part of the Caterpillar 3508B engine family — 2 variants share parts & fitment.

34.5 L
Displacement
8
Cylinders
1000 rpm
Rated speed
649 kW
Gross power

Engine specifications

Oil capacity240.0 L
Coolant capacity55.0 L
Displacement34.5 L
Cylinders8
AspirationWatercooled Diesel
Rated speed1000 rpm
Gross power649 kW

Generator sets powered by this engine

4
Caterpillar 3508Caterpillar 3508B 50HzCaterpillar 3508B 60HzCaterpillar SR4B

Parts cataloged across the Caterpillar 3508B family

18
Part #DescriptionCategory
R134aAir conditionerair_filter
1440725Connecting rodsconnecting_rod
200-4139axial seal filterfilter
225-6404radial seal filterfilter
RE508202FUEL FILTERfuel_filter
10R9951Head Gasketsgasket
1744947Aftercooler and Lines Gasketsgasket
2322507Manifold Gasketsgasket
2322521Turbocharger Gasketsgasket
2342795Injector Seals/Gasketsgasket
M-4660684Gasket Set - Central & Lower - 3508gasket_set
2322522Reman Injectorsinjector
206-5756Part 206-5756kit
1743191Reman Cylinder Headsother_service
AEHQ5296-01other_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

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
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 $54.51 171-5672 PartsGeek FridayParts $39.99 3412E PartsGeek yemparts $28.48 5110B PartsGeek sinocmp $55.00 5130B PartsGeek yemparts $80.42 5230B PartsGeek sinocmp $69.00 334-8049 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 $66.79 365-4922 PartsGeek FridayParts $319.99 4M-0736 PartsGeek FridayParts $89.99 1E-1283 PartsGeek FridayParts $89.99 963B PartsGeek advancedtruck $1498.00 963C PartsGeek yemparts $54.53

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 1327171 Caterpillar 7T1S90 Caterpillar 1063973 Caterpillar 1327169 Caterpillar 1236856 Caterpillar 2310167 Donaldson P526415 Donaldson P525026
  • Fuel filter (primary): Caterpillar 3890433 Donaldson P551316
  • 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 3508B?

The Caterpillar 3508B engine has an oil capacity of 240.0 liters.

What is the displacement of the Caterpillar 3508B?

The Caterpillar 3508B has a displacement of 34.5 liters with 8 cylinders.

Which generators use the Caterpillar 3508B engine?

The Caterpillar 3508B powers 4 generator set(s), including Caterpillar 3508, Caterpillar 3508B 50Hz, Caterpillar 3508B 60Hz, Caterpillar SR4B.