Service parts for the PWE85
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 kVA | 87 |
| Prime power | 63 kW |
| Controller | DSE4520 |
| Oil capacity | 8.0 L |
| Voltage options | 380 V, 400 V |
| Phase | Trifásica |
| Power factor | 0.8 |
| Dimensions (L×W×H) | 2285×920×1470 mm |
| Dry weight | 1254 kg |
| Fuel tank | 183.0 L |
| Tank runtime | [{'rating': '75% PRP', 'load_pct': 75, 'lph': 14, 'gph': None}, {'rating': '100% PRP', 'load_pct': 100, 'lph': 18.7, 'gph': None}] hr |
Engine
| Oil capacity | 53.0 L |
|---|---|
| Coolant capacity | 207.0 L |
| Displacement | 4.4 L |
| Aspiration | Turbo |
| Rated speed | 1500 rpm |
Maintenance & consumables
for the Perkins 1104A-44TG2| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Replaceable Element | — | 1200 hr | ||
| Fuel filter | Replaceable Element | — | 1200 hr | ||
| Oil filter | 901103 | 1200 hr | Amazon $41.50 eBay $39.01 KuduParts $25.00 | ||
| Battery | 12/Negative | — | 1200 hr | ||
| Belt | — | 1200 hr | |||
| Coolant | — | 1200 hr | |||
| Coolant filter | — | ||||
| Oil | API CG4 / CH4 15W-40 | — | |||
| Spark plug | — | 1200 hr |
Compatible filters for the Perkins 1104A-44TG2 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.
- Air filter: Donaldson P778972 Donaldson P780012 Wix 46818 Wix 46829
Common questions
What engine is in the Generac PWE85?
The Generac PWE85 is powered by the Perkins 1104A-44TG2 engine.
What fuel does the Generac PWE85 use?
The Generac PWE85 runs on Diesel.
How much oil does the Generac PWE85 take?
The Perkins 1104A-44TG2 engine in the Generac PWE85 has an oil capacity of 53.0 liters.
What oil filter does the Generac PWE85 use?
The Generac PWE85 uses oil filter part number 901103.
What air filter does the Generac PWE85 use?
The Generac PWE85 uses air filter part numbers Donaldson P778972, Donaldson P780012.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| 100% prp | 100% | 18.7 | 4.94 |
| 75% prp | 75% | 14.0 | 3.7 |
Available documents
Spec sheet — Data-Sheet-Generac-PWE85-50V.2020-Es (Generac)