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Caterpillar 740 Generator Set

The Caterpillar 740 is a generator set powered by a Caterpillar C15 ACERT engine. It holds about 115 L (30.4 gal) of oil and 20.8 L (5.5 gal) of coolant.

15.2 L
Displacement
115.0 L
Oil capacity
3
Document types

How to read your Caterpillar serial & model number →

Service parts for the 740

Grouped by system, with how many of each the parts manual calls for.

Fuel system

1 required
588-2631Fuel filter (primary)see priceAmazon

Oil system

1 required
588-1049Oil filtersee priceAmazon

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

Oil capacity115.0 L

Engine

Caterpillar C15 ACERT
Oil capacity115.0 L
Coolant capacity20.8 L
Displacement15.2 L
AspirationTurbocharged Air-to-Air Aftercooled
Rated speed1800 rpm

Filters for the Caterpillar C15 ACERT

6

Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.

SystemFilterDescriptionCross-references
Oil filterP551808Lube Filter, Spin-On Full FlowCATERPILLAR 1R1808, CATERPILLAR 1R808, NAPA 7792, BALDWIN B7299 KuduParts $80.00
Oil filterP554005Lube Filter, Spin-On Full FlowCATERPILLAR 1R0716, CATERPILLAR 1W2660, NAPA 1792, BALDWIN BF46150-O FridayParts $41.73
Fuel filterP550625Fuel Filter, Spin-On SecondaryCATERPILLAR 1165436, CATERPILLAR 1R0762, NAPA 3640, BALDWIN BF7753 buy

Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:

SystemFilterDescriptionCross-references
Fuel / water separatorP551000Fuel Filter, Water Separator Spin-On Twist&DrainCATERPILLAR 2568753, CATERPILLAR 3I2113, NAPA 3406, BALDWIN BF1259 FridayParts $99.00
Fuel / water separatorP550467Fuel Filter, Water Separator CartridgeNAPA 3651XE, DAVCO 102429, DAVCO 102529, THERMO KING 119953 FridayParts $122.50
Coolant filterP554685Coolant Filter, Spin-On Non-ChemicalCATERPILLAR 3I1300, CATERPILLAR 4059558, NAPA 4070, MTU 0002040791 buy

Maintenance & consumables

for the Caterpillar C15 ACERT
ItemSpecCapacityPart #Interval
Air filterAir cleaner, cyclonic/paper with dust cup and service indicator—
Fuel filterWater Separator and Fuel Filter588-2631 Amazon eBay
Fuel filterengine-mounted—500 hr
Oil filterEngine Oil Filter588-1049 Amazon eBay
BatteryTwo 950 CCA maintenance-free 12V batteries with padlockable single-pole battery isolator—
BeltPoly-V accessory drive belt with autotensioner—500 hr
CoolantCoolant heater, fuse protected, thermostatically controlled, automatically disconnected on start-up; Coolant drain line with internal brass ball control valve piped to base-frame; Low coolant level shutdown; 50% coolant antifreeze with corrosion inhibitor—
Oil500-hour oil change intervals (1000-hour oil change interval option)—500 hr
Spark plug—

Compatible filters for the Caterpillar C15 ACERT — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Caterpillar 1063973 Caterpillar 612506 Caterpillar 30009151 Caterpillar 2310167 Caterpillar 3I1456

Service specifications

6
TypeItemValueUnitCondition
TorqueBearing Nut Torque (129-3253 Spanner Socket, 121-9871 Bearing Nut)2375N·m
TorqueBearing Nut Torque (129-3254 Spanner Socket, 119-3711 Bearing Nut)2375N·m
TorqueLocknut torque (260-0626 Spanner Socket Assembly, 1T-0229 High Torque Locknut)985N·m
TorqueSolenoid nut torque (FT3198 Solenoid Tool, 352-2733 solenoid)3.75Nm+/- .75
TorqueTightening torque for 369-5916 Lifting Eyebolt (M12 Hex Bit)115N·m
TorqueWorking torque capacity of locknut spanner wrenches (126-6608 / 126-6609)950N·m

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Procedures

3
Installation of two-piece seal into slack adjuster piston (209-6381 Seal Installer Group) maintenance

Tools: 207-3440 Loading Mandrel, 207-3442 Ring Pusher, 207-3444 Seal Sizer, 8F-8178 Bolt

  1. Place 207-3440 Loading Mandrel over small piston.
  2. Place inner portion of two-piece seal onto mandrel and push onto piston using 207-3442 Ring Pusher. Repeat for outer portion of seal.
  3. With both sets of seals installed, push piston assembly into 207-3444 Seal Sizer.
  4. Allow seals to compress for one minute and then install small piston into large piston.
Sprocket wheel removal - 8T-5243 Adapter Group installation maintenance

Tools: 8T-5243 Adapter Group, 7B-2499 Ring, 6H-4158 Pin, 5F-9306 Arm, 8S-9975 Ram Adapter, 9S-8900 Cylinder Group

  1. Install adapter groups evenly spaced in the holes in the sprocket flange; install the hooked adapter (1) first, then the plate (2).
  2. Fasten plate to adapter with two bolts (3) and washers (4); plate retains adapter in sprocket wheel.
  3. Before installing remainder of tooling, loosen bolt (5) to leave about 6.35 mm (0.25 in) gap between retainer (6) and sprocket wheel.
  4. Install the hydraulic cylinder and the remainder of the tooling in the conventional manner.
STOR Plug Assembly application for disc brake piston retainer spring (174-5354) repair

Tools: 174-5354 STOR Plug Assembly, 134-2562 Guides, 9S-9334 Plugs, 6N-9155 Pin

  1. Insert four 134-2562 Guides and discontinued 130-8718 Springs as an assembly into brake group anchor exterior holes where 9S-9334 Plugs are normally located.
  2. Insert four 174-5354 Plug Assemblies into exterior holes and finger tighten.
  3. Screw in attached bolts until guide noses protrude through brake piston.
  4. Insert discontinued 6N-9155 Pin into each guide hole and remove bolts and plugs.
  5. Insert four 9S-9334 Plugs into vacated holes.

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

Which engine powers the Caterpillar 740?

The Caterpillar 740 is powered by the Caterpillar C15 ACERT engine.

How much oil does the Caterpillar 740 take?

The Caterpillar C15 ACERT engine in the Caterpillar 740 has an oil capacity of 115.0 liters.

What is the coolant capacity of the Caterpillar 740?

The Caterpillar 740 cooling system holds 20.8 liters (5.5 US gallons) for the engine, per the manufacturer specification sheet.

What oil filter does the Caterpillar 740 use?

The Caterpillar 740 uses oil filter part number 588-1049.

What fuel filter fits the Caterpillar 740?

The Caterpillar 740 uses fuel filter part number 588-2631.

What air filter does the Caterpillar 740 use?

The Caterpillar 740 uses air filter part numbers CATERPILLAR 1063973, CATERPILLAR 612506.

Parts

54
Part #DescriptionQtySystem
10R-9925Oil Filter1Oil filter Amazon eBay
1141646-8Antifreeze, Part No. 1141646-8, 5 litres (1,32 US gals)1Fluid Amazon eBay
1141647-6Antifreeze, Part No. 1141647-6, 210 litres (55,48 US gals)1Fluid Amazon eBay
1161231Flywheel casing, sealant, changingFluid Amazon eBay
356-1428Fuel Filter1Fuel filter Amazon eBay
36082209Air compressor (TD and TAD engines)Air compressor Amazon eBay
588-1049Engine Oil Filter1Oil filter Amazon eBay
588-2631Water Separator and Fuel Filter1Fuel filter Amazon eBay
6082205Intercooler (TWD engines)Intercooler Amazon eBay
6082296Intercooler (TAD engines)Intercooler Amazon eBay
91-0254-00Air filter1Air filter Amazon eBay
91-0256-00Oil filter1Oil filter Amazon eBay
91-0258-00Fuel filter1Fuel filter Amazon eBay
91-0260-00Coolant filter1Coolant filter Amazon eBay
91-0262-00Belt1Belt Amazon eBay
91-0264-00Spark plug1Spark plug Amazon eBay
91-0266-00Pump1Pump Amazon eBay
91-0268-00Seal1Seal Amazon eBay
91-0270-00Gasket1Gasket Amazon eBay
91-0272-00Thermostat1Thermostat Amazon eBay
91-0274-00Impeller1Impeller Amazon eBay
91-0276-00Injectors1Injector Amazon eBay
91-0278-00Sensor1Sensor Amazon eBay
91-0280-00Belt1Belt Amazon eBay
95-ampAlternator, 95-ampAlternator Amazon eBay $237.95 FridayParts $166.73
96062312Intake manifold sealant/gasket, changingGasket Amazon eBay
96092390Gaskets for exhaust manifold, changingGasket Amazon eBay
98082206Starting heater (TWD engines)Starting heater Amazon eBay
AN500T0143STARTER MOTORStarter Amazon eBay
AN500T0144STARTER MOTOR - w/DriveStarter Amazon eBay
BXS00001-UpOil Filter1Oil filter Amazon eBay
MXS00001-UpFuel Filter1Fuel filter Amazon eBay
TWD740GE/VEProtective plate over the turbocharger1Turbocharger buy
ge082207Starting heater (TD and TAD engines)Starting heater Amazon eBay
10R-9923Exhaust Manifold Stud1Service part / kit Amazon eBay
1129709Volvo anti-corrosion agent (1/2 litre container)Service part / kit Amazon eBay
173-6532Radio 12V AM/FM Deluxe1Service part / kit Amazon eBay
175-6530Radio 12V AM/FMService part / kit Amazon eBay
214-7318Tool Kit and Box1Service part / kit Amazon eBay
588-0941Quick Disconnect Fittings2Service part / kit Amazon eBay
588-3621Variable Fan Hub1Service part / kit Amazon eBay
884949driftService part / kit Amazon eBay
885126toolService part / kit Amazon eBay
885346Tool 8853461Service part / kit Amazon eBay
9608230512-sided ring spanner1Service part / kit Amazon eBay
982137Screw for TD730VE, TWD731VE and TWD740VE1Service part / kit Amazon eBay
982138Screw for TWD630VE1Service part / kit Amazon eBay
AEHQ5645-02Parts book, CD rom1Service part / kit Amazon eBay
AEHQ5648-03735 Articulated TruckService part / kit Amazon eBay
AEHQ5679-02Parts book, paper1Service part / kit Amazon eBay
LEBE0009-00Cat NOx Reduction System and Clean Emissions Module (DOC+DPF+CRS)Service part / kit Amazon eBay
MCB3067460Piston1Service part / kit Amazon eBay
S6252304Boost pressure at different temperaturesService part / kit Amazon eBay
WAG2307Long screw studs included in the flange kit1Service part / kit Amazon eBay

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.

Available documents

Spec sheet — 740B LRC Sideboards Specalog 5Oct11c (Caterpillar)Reference — PECJ0040 Seat Replacement Guide (Caterpillar)Parts manual — 04-Power Train Tools (Caterpillar)Parts manual — 740 Specalog (Caterpillar)

This page was generated from the 4 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.