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Caterpillar 3508 Generator Set

The Caterpillar 3508 is a 620 kW (805 kVA) Diesel standby generator set powered by a Caterpillar 3508B engine. It is available at 1200 V and 1500 V, 3-phase and 60 Hz. It holds about 104 L (27.5 gal) of oil and 285 L (75.3 gal) of coolant, with a maximum ambient rating of 80 °C. The set measures 7848.6×309×1802.6 mm (309.0×12.2×71.0 in) and weighs about 10136 kg (22346 lb).

620 kW
Standby
34.5 L
Displacement
104.0 L
Oil capacity
5
Document types

How to read your Caterpillar serial & model number →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power620 kW
Standby kVA805
Prime power485 kW
EmissionsEPA / Tier 2
Controller1600 Amp Breaker, ADEM A3, EMCP 4.4, EMCPII+, Elec. Governor, Engine Safety Shutdowns, Stop Capability
Oil capacity104.0 L
AlternatorCaterpillar SR4 (4-pole, Class H insulation)
Voltage options600 V
Phase3 phase
Power factor0.7
Circuit breaker1600 A
Coolant capacity285 L
Max ambient80 °C
Dimensions (L×W×H)7848×309×1802 mm
Dry weight10136 kg

Engine

Caterpillar 3508B
Oil capacity240.0 L
Coolant capacity55.0 L
Displacement34.5 L
AspirationWatercooled Diesel
Rated speed1000 rpm

Maintenance & consumables

for the Caterpillar 3508B
ItemSpecCapacityPart #Interval
Air filterEngine Air Cleaner Element—250 hr find
Fuel filter—1000 hr find
Fuel filterPrimary Filter1110716250 hr PartsGeek
Fuel filterSecondary Filter1R0763250 hr PartsGeek atldiesel $12.53
Oil filter38904341000 hr PartsGeek
BeltAlternator and fan drive belts—250 hr find
CoolantCoolant/Antifreeze—6000 hr
OilLube Oil System (refill)470.0 L—1000 hr

Compatible filters for the Caterpillar 3508B — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Caterpillar 1W3636 Caterpillar 1327171 Donaldson P117781 Donaldson P526415 Ac Delco A902C

Common questions

What is the power rating of the Caterpillar 3508?

The Caterpillar 3508 is rated 620 kW standby (805.0 kVA).

What engine does the Caterpillar 3508 use?

The Caterpillar 3508 is powered by the Caterpillar 3508B engine.

What fuel does the Caterpillar 3508 use?

The Caterpillar 3508 runs on Diesel.

What is the oil capacity of the Caterpillar 3508?

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

What alternator does the Caterpillar 3508 use?

The Caterpillar 3508 uses a Caterpillar SR4 alternator. It has 4 poles. Insulation class H.

Parts

29
Part #DescriptionQtySystem
10R9951Head Gaskets1Gasket PartsGeek
113-8432Front Seal1Seal PartsGeek
1440725Connecting rodsConnecting rod PartsGeek
1744947Aftercooler and Lines Gaskets1Gasket PartsGeek
1R-0755High Efficiency Fuel FilterFilter PartsGeek kuduparts $54.00
200-4139axial seal filter(axial seal)Filter PartsGeek
206-5756Part 206-5756KitKit PartsGeek
225-6404radial seal filter(radial seal)Filter PartsGeek
2322507Manifold Gaskets1Gasket PartsGeek
2322521Turbocharger Gaskets1Gasket PartsGeek
2322522Reman Injectors1Injector PartsGeek
2342795Injector Seals/Gaskets1Gasket PartsGeek
245-5829Coolant Battery Tester Refractometer1Sensor PartsGeek
3412CEngineEngine PartsGeek yemparts $28.48
3508BEngineEngine PartsGeek yemparts $32.22
5N-5561Silicone Lubricant1Fluid PartsGeek
ESD5526Speed ControllerSpeed controller PartsGeek
M-4660684Gasket Set - Central & Lower - 3508Gasket set PartsGeek
PK48000M4 tonne Palfinger PK48000M hydraulic crane1Crane PartsGeek
R134aAir conditioner50Air filter PartsGeek ironwing $85.00
RE508202FUEL FILTER1Fuel filter eBay $25.00 PartsGeek
128-6786Crankshaft Bare1Service part / kit PartsGeek
1743191Reman Cylinder Heads1Service part / kit PartsGeek
249-0437Oxidation Catalyst Assembly - RoundService part / kit PartsGeek
3034NAOil Change IntervalService part / kit PartsGeek
AEHQ5296-0110-99Service part / kit PartsGeek
LEDW3153Supersedes LECW7527Service part / kit PartsGeek
PEHJ0271Cat® Emissions Upgrade Kits for Select 3500 Marine EnginesService part / kit PartsGeek
PEHJ0287Cat® Performance Upgrade Kits for Select 3508, 3512, and 3516 Marine EnginesService part / kit PartsGeek

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime
Prime10%39.02672.9
Prime20%62.03298.5
Prime25%74.03582.8
Prime30%87.03867.2
Prime40%112.04379.0
Prime47%
Prime50%137.04890.8
Prime52%
Prime60%160.05175.2
Prime70%
Prime75%194.05630.1
Prime80%206.05800.7
Prime85%
Prime90%232.06255.7
Prime100%
Standby
Standby100%69.9

Available documents

Engine spec — 3508+Land+Mechanical+LEHW0058-00+P5 (Caterpillar)Engine spec — 3508B+Land+Electric+-+LEHW0070-00+P2 (Caterpillar)Engine spec — 3508B 746bkW 1000bhp (Caterpillar)Engine spec — 3508B 783bkW 1050bhp (Caterpillar)Engine spec — 3508B 820bkW 1100bhp (Caterpillar)Engine spec — 3508 IND-A 507bkW (Caterpillar)Engine spec — 3508 IND-A 578bkW (Caterpillar)Engine spec — 3508 IND-A 638bkW (Caterpillar)Engine spec — 3508 IND-C 612bkW (Caterpillar)Engine spec — 3508 IND-C 746bkW (Caterpillar)Engine spec — Aug+2010+Engine+Selection+Guide (Caterpillar)Engine spec — B3 254 fr en (Caterpillar)Engine spec — Final+Ratings+Guide LECW2462-15 9.8.11 (Caterpillar)Engine spec — LEGH0002 (Caterpillar)Engine spec — Lecm0608 (Caterpillar)Engine spec — Ratings Guide Port LPCW2462-15 final LR (Caterpillar)Engine spec — lecw2462-06 (Caterpillar)Engine spec — lehh0266 (Caterpillar)Engine spec — lehh0395 (Caterpillar)Engine spec — lehh5391 (Caterpillar)Engine spec — lehh8099 (Caterpillar)Engine spec — lehm0094 (Caterpillar)Engine spec — lehm0124 (Caterpillar)Engine spec — lehm0297 (Caterpillar)Engine spec — lehm0300 (Caterpillar)Engine spec — lehw0187-01 (Caterpillar)Engine spec — lehw0187 02 (Caterpillar)Engine spec — lehw5308 00 (Caterpillar)Engine spec — lfhh5447 (Caterpillar)Engine spec — lfhh5448 (Caterpillar)Engine spec — lfhh6261 (Caterpillar)Engine spec — lphh8099 (Caterpillar)Engine spec — lshh6258 (Caterpillar)Engine spec — lshh6261 (Caterpillar)Spec sheet — CAT 3508b 1000kw spec sheet (Caterpillar)Spec sheet — LEHW6123-00 (Caterpillar)Spec sheet — epnsum00 (Caterpillar)Spec sheet — lehh2105 (Caterpillar)Spec sheet — lehm0278 (Caterpillar)Spec sheet — lehw0102-01 (Caterpillar)Spec sheet — lehw6166 (Caterpillar)Spec sheet — lehw6167 (Caterpillar)Spec sheet — lehw7469 (Caterpillar)Spec sheet — lehw9192 (Caterpillar)Spec sheet — lehw9193 (Caterpillar)Reference — lehr0592 (Caterpillar)Parts manual — Interstate-McBee-Caterpillar-Custom-Gasket-Set-Catalog (Caterpillar)Parts manual — KMP-Brand®Parts-Guide-Suitable-for-Caterpillar®By-Product (Caterpillar)Parts manual — PEHJ0254 Reman Overhaul Kit8 (Caterpillar)Parts manual — lehw6165 (Caterpillar)Service manual — 3508B+Industrial+Engines-Maintenance+Intervals (Caterpillar)Service manual — SEBU7148-09 M (Caterpillar)

Other sets with this engine

Caterpillar SR4B