Service parts for the T90
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredBelts
1 requiredCooling system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 80 kW |
| Standby kVA | 100 |
| Prime power | 72 kW |
| Oil capacity | 8.0 L |
| Alternator | Stamford/AvK UCI274DIL32D |
| Voltage options | 208 V, 220 V, 240 V, 440 V, 480 V |
| Phase | 3 |
| Power factor | 0.8 |
| Circuit breaker | 300 A |
| Sound level | 66.0 dBA @ 7 m |
Engine
| Oil capacity | 8.0 L |
|---|---|
| Coolant capacity | 7.0 L |
| Displacement | 4.41 L |
| Aspiration | turbocharged and charge air cooled |
| Rated speed | 1800 rpm |
Filters for the Perkins 1104D-44TAG2
3Engine-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.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P554407 | Lube Filter, Spin-On Full Flow | PERKINS 102632, PERKINS 2564401, NAPA 1459, BALDWIN BT237 | KuduParts $25.00 FridayParts $26.84 |
| Fuel filter | P502420 | Fuel Filter, Cartridge | PERKINS 2656F823, PERKINS 4415122, NAPA 600488, CLAAS 0011377510 | buy |
Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Fuel / water separator | P550588 | Fuel Filter, Water Separator Spin-On Twist&Drain | PERKINS 265118, PERKINS T64102003, NAPA 3472, BALDWIN BF587-D | FridayParts $18.44 |
Same engine, other brands
1 brandThe Perkins 1104D-44TAG2 in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| FG Wilson | XD100P4 |
Maintenance & consumables
for the Perkins 1104D-44TAG2| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Filter | 8C-3601 | Amazon eBay | ||
| Fuel filter | Fuel Filter | 8C-3627 | Amazon eBay | ||
| Oil filter | Oil Filter | 250-0486 | Amazon eBay | ||
| Belt | Belt | 8C-3620 | Amazon eBay | ||
| Coolant filter | Coolant Filter | 8C-3600 | Amazon eBay |
Common questions
What size generator is the Terex T90?
The Terex T90 is rated 80 kW standby (100.0 kVA).
What engine does the Terex T90 use?
The Terex T90 is powered by the Perkins 1104D-44TAG2 engine.
Is the Terex T90 diesel or gas?
The Terex T90 runs on diesel.
How much oil does the Terex T90 take?
The Perkins 1104D-44TAG2 engine in the Terex T90 has an oil capacity of 8.0 liters.
What is the cooling system capacity of the Terex T90?
The Terex T90 cooling system holds 7 liters (1.8 US gallons) for the engine, per the manufacturer specification sheet.
What is the prime power rating of the Terex T90?
The Terex T90 is rated 72 kW prime (90 kVA), against 80 kW standby.
What is the sound level of the Terex T90?
The Terex T90 is rated at 66.0 dBA at 7 m, per the manufacturer specification sheet.
What voltage does the Terex T90 produce?
The Terex T90 is offered in 208 V, 220 V, 240 V, 440 V, 480 V, 3-phase.
Which alternator is fitted to the Terex T90?
The Terex T90 uses a Stamford/AvK UCI274DIL32D alternator.
Which oil filter part number does the Terex T90 take?
The Terex T90 uses oil filter part number 250-0486.
What fuel filter does the Terex T90 use?
The Terex T90 uses fuel filter part number 8C-3627.
Which air filter part number does the Terex T90 take?
The Terex T90 uses air filter part number 8C-3601.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| No generator output voltage | Circuit breaker tripped | Reset circuit breaker |
| No generator output voltage | Voltage regulator | Check voltage regulator wiring |
| No generator output voltage | Defective voltage regulator | Replace voltage regulator |
| No generator output voltage | Defective Selector Switch | By pass by hardwiring generator |
| No generator output voltage | Defective generator | Refer to generator manual |
| Low generator output voltage | Voltage adjustment set too low | Adjust voltage potentiometer |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Terex T90 troubleshooting guide (67 entries) →
Parts
10| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 101-4000 | Gasket | 385 | Service part / kit | Amazon eBay |
| 127-0826 | Battery | 685 | Service part / kit | Amazon eBay |
| 134277 | T70, T90 & T120 Super Quiet Generator Maintenance Schedule | Service part / kit | Amazon eBay $34.00 | |
| 153-5720 | Battery | 1 | Service part / kit | Amazon eBay |
| 250-0486 | Oil Filter | 34 | Service part / kit | Amazon eBay |
| 250-0488 | Spark Plug | 31 | Service part / kit | Amazon eBay |
| 8C-3600 | Battery | 1 | Service part / kit | Amazon eBay |
| 8C-3601 | Battery | 1 | Service part / kit | Amazon eBay |
| 8C-3620 | Belt | 350 | Service part / kit | Amazon eBay |
| 8C-3627 | Fuel Filter | 30 | Service 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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 4.4 | 16.6 | |
| Prime | 50% | 3.4 | 13.0 |
| Prime | 75% | 5.0 | 19.0 |
| Standby | 5.6 | 21.0 | |
| Standby | 100% | 6.0 | 23.0 |
Available documents
This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.