Volvo VNL 760 / 860 · fluids
Fluids & Fill AmountsHow much oil, coolant, DEF and gear oil this truck takes, and what specification to buy.
Set the year first
Then read the How much column as a refill quantity, not a dry fill. Fill to the dipstick or sight glass and treat the number as a starting point — a drain never gets everything out.
Fill amounts for Volvo VNL 760 / 860
| Fluid | How much | What to buy | Years | Source |
|---|---|---|---|---|
| Engine oil - D13, pan volume onlyChange it: 60,000 mi normal (D13 VGT); 90,000 mi (D13TC with VDS-5) | 33 qt (31 L) | Volvo VDS-5.0 / API FA-4 (2021+); VDS-4.5 / CK-4 minimum | 2018–2026 | Verified |
| Engine oil - steel or composite pan (oil change volume)Change it: As above | 37 qt (35 L) | As above | 2018–2026 | Verified |
| Engine oil - aluminum pan (oil change volume)Change it: As above | 38 qt (36 L) | As above | 2018–2026 | Verified |
| Engine oil - 2025 VNL powertrain totalChange it: 90,000 mi normal service | 35 qt (33 L) | Volvo VDS-5.0, SAE 5W-30 | 2025–2026 | Verified |
| Engine coolantChange it: Test at PM | Not verified - consult OEM service manual | Volvo-approved extended-life coolant | 2018–2026 | Unconfirmed |
| Diesel exhaust fluid (DEF) tankChange it: Fill at every fuel stop | Order-specific | ISO 22241 DEF | 2018–2026 | Unconfirmed |
| Transmission - Volvo I-ShiftChange it: Check level at every service | Not verified - consult OEM service manual | Volvo-approved I-Shift oil | 2018–2026 | Unconfirmed |
| Rear axle / differentialChange it: Not verified - consult OEM service manual | Not verified - consult OEM service manual | Volvo-approved axle oil | 2018–2026 | Unconfirmed |
Sources: Volvo Body Builder Instructions VNL USA174188411; Volvo Body Builder Instructions VNL, sec. 1; Volvo Body Builder Instructions, Coolant Requirements; Volvo Powertrain Brochure 2025
Two ways to wreck an engine in five minutes
Overfilling an oil pan aerates the oil and can damage bearings. Running a cooling system low can crack a liner or a head before the gauge even moves. Fill slowly, then check the dipstick or sight glass twice.