# MONO40020 Convoy Mono Truck 40

**[Convoy](https://penriteoil.com.au/knowledge-centre/Engine%20Oil%20Brands/193/convoy-engine-oils/457) Mono Truck 40** is a [monograde](https://penriteoil.com.au/knowledge-centre/Engine%20Oil%20Types/189/what-is-the-difference-between-multigrade-and-monograde-oils/411) **[SAE](https://penriteoil.com.au/knowledge-centre/Viscosity/237/what-is-an-sae-viscosity/180) 40** engine oil for older & [classic](https://penriteoil.com.au/knowledge-centre/Engine%20Information/123/what-are-the-differences-between-the-penrite-classic-oils-heritage,-shelsley-&-classic/333) engines formulated with high quality [mineral](https://penriteoil.com.au/faqs/318/what-is-the-difference-between-mineral,-semi-synthetic-\(semi-syn.\)-and-full-synthetic-\(full-syn.\)-base-oils) [base oil](https://penriteoil.com.au/faqs/188/what-is-the-difference-between-mc-4st-full-synthetic-10w-40-and-mc-4st-10w-40-\(pao-ester\)) and [modern](https://penriteoil.com.au/faqs/176/can-i-use-modern-engine-oils-in-my-older-vehicle) [additives](https://penriteoil.com.au/knowledge-centre/Oil%20Composition%20and%20Additives/44/oil-composition/168) to provide outstanding protection in [diesel](https://penriteoil.com.au/faqs/252/can-petrol-engine-oils-be-used-in-diesel-engines) and petrol engines against [wear](https://penriteoil.com.au/knowledge-centre/Oil%20Functions/13/what-does-engine-oil-do-for-my-engine/413) , corrosion, oil [oxidation](https://penriteoil.com.au/knowledge-centre/Oil%20Composition%20and%20Additives/44/oxidation-inhibitors/173) and [sludge](https://penriteoil.com.au/knowledge-centre/Oil%20Composition%20and%20Additives/44/dispersants/171) .

**Convoy Mono Truck 40** meets the low ash requirements of [Detroit](https://penriteoil.com.au/knowledge-centre/Heavy%20Duty%20Specifications/225/heavy-duty-specifications/1023) Diesel as well as many other specifications.

## Details

- **Price:** 257.0 AUD
- **Vendor:** Penrite
- **Tags:** Penrite Oils & Lubricants | Engine Oil Grease & Fluids

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 257.00 AUD | In stock |

## Images

- MONO40020 Convoy Mono Truck 40

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/mono40020-convoy-mono-truck-40)
> Updated: 2026-06-25