Service parts for the C18 ACERT
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 550 kW |
| Standby kVA | 600 |
| Prime power | 500 kW |
| Emissions | Low BSFC |
| Voltage options | 400 V |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Cat radial seal air filter | — | 750 hr | ||
| Fuel filter | 2 micron high performance | — | |||
| Oil filter | 3890434 | Amazon eBay $82.42 PartsGeek $30.97 NAPA $45.70 | |||
| Battery | 12V, 950 CCA for 30 seconds at -18°C (0°F), 90 amp-hr @ 20 hours, 170 reserve capacity minutes | — | 1000 hr | ||
| Coolant | — | ||||
| Oil | 34.0 L | — | 250 hr |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Service intervals
3| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Primary air filter element | Change | 250 hr | When changing the primary element at 250 operating hours (basis of the without-indicator filter-change comparison) | |
| engine | Other | 500 hr | Cat compact diesel lineup offers 500-hour maintenance intervals and single-side service access | |
| Secondary air filter element | Change | 750 hr | When changing the secondary element at 750 operating hours (basis of the without-indicator filter-change comparison) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Service specifications
39| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | Air compressor air flow | 374 | L/min (13.2 cfm) @ 1250 rpm | C7 ACERT, C9 ACERT |
| Other | Air compressor air flow | 445 | L/min (15.7 cfm) @ 1250 rpm | C11 ACERT, C13 ACERT, C15 ACERT, C18 ACERT |
| Other | Air compressor air flow | 467 | L/min (16.5 cfm) @ 1250 rpm | C7 ACERT, C9 ACERT |
| Other | Air compressor air flow | 889 | L/min (31.4 cfm) @ 1250 rpm | C11 ACERT, C13 ACERT, C15 ACERT, C18 ACERT |
| Other | Arr. Number | 3149714 | ||
| Other | Bore | 145.0 | mm (5.71 in) | |
| Other | Compression ratio | 16.3:1 | ||
| Other | Displacement | 18.1 | L (1,104.53 in3) | |
| Other | Emissions certification | U.S. EPA Tier 2 and CARB; FM approved; UL listed - US and Canada; Meets NFPA 20 requirements | ||
| Other | Engine dimension (1) Length | 1889.0 | mm (74.37 in) | Do not use for installation design |
| Other | Engine dimension (2) Width | 1091.0 | mm (42.95 in) | Do not use for installation design |
| Other | Engine dimension (3) Height | 1379.7 | mm (54.32 in) | Do not use for installation design |
| Other | Feature Code | C18DF03 | ||
| Other | Gross Input Torque (TH55-E70) | 12 667 | N•m (9350 lb-ft) | |
| Other | Gross Input Torque (TH55-E90) | 12 677 | N•m (9350 lb-ft) | |
| Other | Net dry weight (approximate) | 1769 | kg (3900 lb) | |
| Other | Performance Number | EM0022-01 | ||
| Other | Radiator cooling package maximum elevation | 1524 | m (5000 ft) | with 50/50 water/Extended Life Coolant mixture |
| Other | Rating condition (diesel 7 L and higher) | 99 kPa (29.31 in Hg) dry barometer, 25°C (77°F) | SAE J1995 inlet air standard | |
| Other | Rating condition (diesel up to 6.6 L) | 100 kPa (29.5 in Hg) total barometric pressure, 1 kPa (.295 in Hg) vapor pressure, 25°C (77°F) | ISO/TR14396 inlet air standard | |
| Other | Rating condition (gas) | 100 kPa (29.61 in Hg) and 25°C (77°F) | SAE J1349 standard | |
| Other | Rating condition - inlet air standard conditions | 99 kPa (29.31 in. Hg) dry barometer | ||
| Other | Stall Torque Ratio (TH55-E70) | 2.23 | ||
| Other | Stall Torque Ratio (TH55-E90) | 2.23 | ||
| Other | Stroke | 183.0 | mm (7.2 in) | |
| Other | Weight, Net Dry (approximate) | 1673 | kg (3688 lb) | |
| Other | Weight, Net Dry (approximate) | 1769 | kg | approximate |
| Pressure | WS255 pump plunger load | 238,000 | lb (107,960 kg) | |
| Pressure | WS273XD pump plunger load | 275,000 | lb (124 738 kg) | |
| Pressure | WS305XD pump plunger load | 250,000 | lb (113 398 kg) | |
| Speed | Maximum Input Speed (TH55-E70/TH55-E90 transmissions) | 1970 | rpm | |
| Speed | Rated Input Speed (TH55-E70/TH55-E90 transmissions) | 1900 | rpm | |
| Speed | Rated engine speed | 2100 | rpm | rated power 597 kW / 800 bhp |
| Speed | Rotation (from flywheel end) | Counterclockwise | ||
| Temperature | Radiator cooling package design ambient temperature | 48.9 | °C (120°F) | coolant mixture 50/50 (water/Caterpillar Extended Life Coolant), maximum elevation 1524 m (5000 ft) |
| Temperature | Rating condition - inlet air temperature | 25 | degC (77 degF) | |
| Torque | Air compressor SAE "A" hydraulic pump drive maximum torque (374 L/min and 467 L/min compressors) | 60 | N•m (44 lb-ft) | C7, C9 ACERT |
| Torque | Air compressor maximum torque (374 L/min / 13.2 cfm @ 1250 rpm, C7/C9) | 60 | N·m (44 lb-ft) | 374 L/min (13.2 cfm) @ 1250 rpm |
| Torque | Air compressor maximum torque (467 L/min / 16.5 cfm @ 1250 rpm, C7/C9) | 60 | N·m (44 lb-ft) | 467 L/min (16.5 cfm) @ 1250 rpm |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | 50/50 (water/Caterpillar Extended Life Coolant) | below 48°C | Radiator cooling packages designed for up to 48.9°C (120°F) ambient up to a maximum elevation of 1524 m (5000 ft) | ||
| Coolant | 50/50 mixture water/Caterpillar Extended Life Coolant | below 48°C | Radiator cooling packages designed for up to 48.9° C (120° F) ambient; coolant sump refill capacities vary by oil sump/pan (18 L to 106 L service refill with new oil filter change) | ||
| Engine oil | EPA 2D 89.330-96 (fuel reference, Diesel <6.6 L, density 0,845-0,850 kg/L a 15 °C) | Reference condition only, not a lubricant recommendation | |||
| Engine oil | low sulfated ash oil | Required for U.S. EPA Tier 4 Final, EU Stage IV engines. | |||
| Fuel | Ultra Low Sulfur Diesel (ULSD) | Contains less than or equal to 15 parts per million sulfur (mg/kg); required for U.S. EPA Tier 4 Final, EU Stage IV engines. B20 biodiesel capability available. | |||
| Fuel | 35 API gravity | Standard fuel with lower heating value of 42,780 kJ/kg (18,390 btu/lb) when used at 29 C (84.2 F) with a density of 838.9 g/L | |||
| Fuel | 35° API gravity at 60°F (16°C) | LHV 18,390 Btu/lb (42 780 kJ/kg) | Fuel at 85°F (29°C) weighing 7.001 lbs/U.S. gal (838.9 g/liter) | ||
| Fuel | 35° API gravity, LHV 42 780 kJ/kg (18,390 btu/lb) | SAE J1995 | Diesel engines 7 liter and higher; used at 29°C (84.2°F) with density 838.9 g/L | ||
| Fuel | EPA 2D 89.330-96 | EPA 2D 89.330-96 | Diesel engines up to 6.6 liter; density 0.845-0.850 kg/L @ 15°C (59°F); fuel inlet temperature 40°C (104°F) | ||
| Fuel | dry natural gas, LHV 35.54 MJ/Nm3 (905 btu/ft3) | Gas ratings based on SAE J1349 standard conditions of 100 kPa (29.61 in Hg) and 25°C (77°F) |
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
What is the power rating of the Caterpillar C18 ACERT?
The Caterpillar C18 ACERT is rated 550 kW standby (600.0 kVA).
Is the Caterpillar C18 ACERT diesel or gas?
The Caterpillar C18 ACERT runs on diesel.
What is the prime power rating of the Caterpillar C18 ACERT?
The Caterpillar C18 ACERT is rated 500 kW prime (545 kVA), against 550 kW standby.
What voltages is the Caterpillar C18 ACERT available in?
The Caterpillar C18 ACERT is offered in 400 V.
Which oil filter part number does the Caterpillar C18 ACERT take?
The Caterpillar C18 ACERT uses oil filter part number 3890434.
Available documents
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This page was generated from the 42 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.