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Caterpillar 966 Generator Set

The Caterpillar 966 is a generator set powered by a Caterpillar C11 (ATAAC) engine. It holds about 35 L (9.2 gal) of oil and 39 L (10.3 gal) of coolant. The set weighs about 23698 kg (52245 lb) and produces 75 dBA. An integrated tank holds 380 L (100.4 gal).

11.1 L
Displacement
35.0 L
Oil capacity
5
Document types

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Specifications

EmissionsEPA Tier III, EU Stage III
Oil capacity35.0 L
Coolant capacity39 L
Dry weight23698 kg
Sound level75.0 dBA
Fuel tank380.0 L

Engine

Caterpillar C11 (ATAAC)
Oil capacity35.0 L
Coolant capacity39.0 L
Displacement11.1 L
AspirationTurbocharged with air-to-air aftercooling
Rated speed1800 rpm

Common questions

What engine does the Caterpillar 966 use?

The Caterpillar 966 is powered by the Caterpillar C11 (ATAAC) engine.

What is the oil capacity of the Caterpillar 966?

The Caterpillar C11 (ATAAC) engine in the Caterpillar 966 has an oil capacity of 35.0 liters.

Parts

103model family
Part #DescriptionQtySystem
104-4253Line As - Fuel Injector1Hose buy
104-4254Line As - Fuel Injector1Hose buy
111-8015Gasket As - Head1Gasket buy
115-7550Gasket - Plate1Gasket buy
121-7746Precleaner As1Air filter kuduparts $46.00
131-3815Seal Gp - Basic1Seal buy
172-5185Shaft - Water Pump1Pump atldiesel $51.60
172-5188Shaft - Water Pump1Pump buy
172-5189Impeller - Pump1Impeller buy
172-5190Impeller - Pump1Impeller buy
1P-8005Gasket - Chamber1Gasket buy
222-0345Seat Belt Assembly1Belt buy
2N-3220Gear - Oil Pump Drive1Pump buy
2S-3966Ring - Seal1Seal atldiesel $40.11
2S-7264Pump As - Fuel Injector1Injector atldiesel $227.21
5L-3980V - Belt Set1Belt buy
5L-5656Belt Set - Vee1Belt buy
5N-2902Seal - Oil1Seal buy
5N-3009Tube As - Inlet Lh1Hose buy
5N-3012Tube As - Inlet1Hose buy
5N-4378Shaft As - Pump1Pump atldiesel $286.72
6L-3910Line As - Fuel1Hose buy
6L-4714Panel - Air Cleaner Filter1Air filter FridayParts $117.99
6L-7816Seal - o-Ring1Seal atldiesel $3.84
7L-0104Impeller - Pump1Impeller buy
8H-2810Case As - Filter1Air filter buy
9H-2256Pump Gp1Pump FridayParts $29.99
054-2213Spider and Bearing As1Service part / kit buy
054-6549Pinion - Planetary1Service part / kit buy
055-1260Housing Bk - Outer1Service part / kit buy
100-7860Valve - Inlet1Service part / kit atldiesel $28.31
102-1561Lifter As - Valve1Service part / kit buy
112-3818Shaft - Input1Service part / kit buy
112-5585Shaft - Planet1Service part / kit buy
112-8041Carrier - Planet1Service part / kit buy
130-1637Shaft1Service part / kit buy
148-7455Valve - Exhaust1Service part / kit atldiesel $8.13
160-1014Pin As1Service part / kit buy
165-4262Body As - Piston1Service part / kit buy
175-4070Bushing - Sleeve1Service part / kit buy
186-4118Gear - Planet1Service part / kit buy
191-2996Seat - Gray Fabric Air Suspension with Wide Left Armrest1Service part / kit buy
1A-2846Cap As - Filler1Service part / kit buy
1F-2254Bushing - Stem1Service part / kit buy
1P-1758Bushing - Stem1Service part / kit buy
1S-5738Insert - Seat Exhaust1Service part / kit atldiesel $48.25
1W-3062Retainer As1Service part / kit buy
1W-5105Ring Gp - Piston1Service part / kit buy
200-3174Seat - Gray Fabric Air Suspension1Service part / kit buy
219-8090Seat - Gray Fabric Air Suspension1Service part / kit buy
219-8091Seat - Gray Fabric Air Suspension with Wide Left Armrest1Service part / kit buy
219-8092Seat - Black Vinyl Air Suspension1Service part / kit buy
219-8094Seat - Gray Fabric Air Suspension1Service part / kit buy
219-8095Seat - Black Vinyl Air Suspension with Wide Left Armrest1Service part / kit buy
219-8096Seat - Gray Fabric Air Suspension with Standard Armrests1Service part / kit buy
2F-5721Bearing - Ball1Service part / kit atldiesel $29.00
2L-4731Adapter - Housing1Service part / kit buy
2N-9297Retainer - Spring1Service part / kit buy
2W-3211Valve - Exhaust1Service part / kit atldiesel $40.19
3F-7445Bearing - Sleeve1Service part / kit atldiesel $9.53
3L-1425Bearing - Ball1Service part / kit atldiesel $16.60
5L-8856Coupling - Exhaust1Service part / kit buy
5L-9370Elbow - Manifold Inlet1Service part / kit buy
5L-9371Connector - Inlet1Service part / kit buy
5L-9738Coupling - Exhaust1Service part / kit buy
5N-2691Elbow - Air Transfer1Service part / kit buy
5N-2692Elbow - Air Transfer1Service part / kit buy
5N-3050Elbow - Outlet1Service part / kit buy
5P-7807Bearing - Ball1Service part / kit atldiesel $4.46
5S-1757Insert - Seat1Service part / kit atldiesel $4.93
5S-4557Bearing1Service part / kit atldiesel $13.15
6H-3217Shaft As - Rocker1Service part / kit buy
6H-3957Bearing - Ball1Service part / kit atldiesel $13.22
6L-6481Elbow - Air Inlet1Service part / kit buy
6L-6482Elbow - Air Outlet1Service part / kit buy
6L-6491Pipe - Crossover1Service part / kit buy
6L-8585Gear - Gov Drive1Service part / kit buy
6L-8968Coupling - Exhaust1Service part / kit buy
6N-8847Guide - Valve1Service part / kit atldiesel $6.21
7B-2420Ferrule - Director1Service part / kit atldiesel $3.35
7M-4603Body - Fuel Valve1Service part / kit buy
7M-4926Retainer - Pin1Service part / kit buy
7T-3173Piston1Service part / kit buy
7T-3194Yoke1Service part / kit buy
7W-5194Muffler As1Service part / kit buy
8M-0874Plunger As - Valve1Service part / kit buy
8M-2549Rod As - Connector1Service part / kit buy
8M-4014Insert - Seat Exhaust1Service part / kit atldiesel $34.11
8N-2275Bearing - Sleeve1Service part / kit atldiesel $13.51
8N-3723Valve - Exhaust1Service part / kit atldiesel $32.07
8N-7769Bearing - Conn Rod1Service part / kit atldiesel $74.13
8N-7770Bearing - Conn Rod1Service part / kit atldiesel $57.24
8N-7771Bearing - Conn Rod1Service part / kit buy
8N-7780Shield - Oil1Service part / kit atldiesel $1.44
8N-9174Liner - Cylinder1Service part / kit atldiesel $145.65
8S-3617Chamber As1Service part / kit buy
9K-8757Rod End - Bearing1Service part / kit buy
9R-0080Coupling1Service part / kit buy
9R-0097Part 9R-00971Service part / kit buy
9R-0237Pin As1Service part / kit buy
9R-0424Part 9R-04241Service part / kit buy
9S-8493Bolt - Connecting Rod1Service part / kit buy
PEHP9542-01Service part / kit buy

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Available documents

Spec sheetOperator's manualReferenceParts manualService manual