1989 Isuzu Trooper II Oil Type & Capacity
The 1989 Isuzu Trooper II oil type depends on the engine: the S, 2D Utility, 2.6 E, Automatic takes 5W-20 (4.2 quarts with filter); the S, 2D Utility, 2.6 E, Standard takes 5W-20 (4.2 quarts with filter); the S, 2D Utility, 2.8 R takes 5W-20 (4.5 quarts with filter); the S, 4D Utility, 2.6 E, Automatic takes 5W-20 (4.2 quarts with filter); the S, 4D Utility, 2.6 E, Standard takes 5W-20 (4.2 quarts with filter); the S, 4D Utility, 2.8 R takes 5W-20 (4.5 quarts with filter); the XS, 2.6 E, Automatic takes 5W-20 (4.2 quarts with filter); the XS, 2.6 E, Standard takes 5W-20 (4.2 quarts with filter); the XS, 2.8 R takes 5W-20 (4.5 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- S, 2D Utility, 2.6 E, Automatic: 5W-20, 4.2 quarts with filter
- S, 2D Utility, 2.6 E, Standard: 5W-20, 4.2 quarts with filter
- S, 2D Utility, 2.8 R: 5W-20, 4.5 quarts with filter
- S, 4D Utility, 2.6 E, Automatic: 5W-20, 4.2 quarts with filter
- S, 4D Utility, 2.6 E, Standard: 5W-20, 4.2 quarts with filter
- S, 4D Utility, 2.8 R: 5W-20, 4.5 quarts with filter
- XS, 2.6 E, Automatic: 5W-20, 4.2 quarts with filter
- XS, 2.6 E, Standard: 5W-20, 4.2 quarts with filter
- XS, 2.8 R: 5W-20, 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| S, 2D Utility, 2.6 E, Automatic — 2.6L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F) | 4.20 QTS. | 3.80 QTS. | — |
| S, 2D Utility, 2.6 E, Standard — 2.6L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F) | 4.20 QTS. | 3.80 QTS. | — |
| S, 2D Utility, 2.8 R — 2.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
| S, 4D Utility, 2.6 E, Automatic — 2.6L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F) | 4.20 QTS. | 3.80 QTS. | — |
| S, 4D Utility, 2.6 E, Standard — 2.6L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F) | 4.20 QTS. | 3.80 QTS. | — |
| S, 4D Utility, 2.8 R — 2.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
| XS, 2.6 E, Automatic — 2.6L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F) | 4.20 QTS. | 3.80 QTS. | — |
| XS, 2.6 E, Standard — 2.6L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F) | 4.20 QTS. | 3.80 QTS. | — |
| XS, 2.8 R — 2.8L Eng | SAE 5W-20 (Below 20Deg.F), 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 20W-20/40 (Above 20Deg.F), 30 (Above 40Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
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More specs & repair guides for your Trooper II
1989 Isuzu Trooper II factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
2.11 quarts (7.98 L) — 50/50 mixture of good quality ethylene-glycol antifreeze & water.
Frequently asked questions
What type of oil does a 1989 Isuzu Trooper II take?
It depends on the engine: S, 2D Utility, 2.6 E, Automatic uses 5W-20; S, 2D Utility, 2.6 E, Standard uses 5W-20; S, 2D Utility, 2.8 R uses 5W-20; S, 4D Utility, 2.6 E, Automatic uses 5W-20; S, 4D Utility, 2.6 E, Standard uses 5W-20; S, 4D Utility, 2.8 R uses 5W-20; XS, 2.6 E, Automatic uses 5W-20; XS, 2.6 E, Standard uses 5W-20; XS, 2.8 R uses 5W-20.
How much oil does a 1989 Isuzu Trooper II take?
Capacity depends on the engine: S, 2D Utility, 2.6 E, Automatic holds 4.2 quarts with filter; S, 2D Utility, 2.6 E, Standard holds 4.2 quarts with filter; S, 2D Utility, 2.8 R holds 4.5 quarts with filter; S, 4D Utility, 2.6 E, Automatic holds 4.2 quarts with filter; S, 4D Utility, 2.6 E, Standard holds 4.2 quarts with filter; S, 4D Utility, 2.8 R holds 4.5 quarts with filter; XS, 2.6 E, Automatic holds 4.2 quarts with filter; XS, 2.6 E, Standard holds 4.2 quarts with filter; XS, 2.8 R holds 4.5 quarts with filter.
Can I use synthetic oil in my 1989 Isuzu Trooper II?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1989 Isuzu Trooper II. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.