---
product_id: 307781392
title: "Ultra 15W-40 Engine Oil Petrol & Diesel Mixed Fleet 20 Litre 20L"
brand: "smith & allan"
price: "A$622"
currency: AUD
in_stock: true
reviews_count: 8
category: "Smith & Allan"
url: https://www.desertcart.com.au/products/307781392-ultra-15w-40-engine-oil-petrol-and-diesel-mixed-fleet
store_origin: AU
region: Australia
---

# Mixed Fleet: Petrol & Diesel Compatible 15W-40 SAE Grade Viscosity 20 Litres Bulk Supply Ultra 15W-40 Engine Oil Petrol & Diesel Mixed Fleet 20 Litre 20L

**Brand:** smith & allan
**Price:** A$622
**Availability:** ✅ In Stock

## Summary

> 🛠️ Power your fleet with confidence — the oil that works as hard as you do!

## Quick Answers

- **What is this?** Ultra 15W-40 Engine Oil Petrol & Diesel Mixed Fleet 20 Litre 20L by smith & allan
- **How much does it cost?** A$622 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/307781392-ultra-15w-40-engine-oil-petrol-and-diesel-mixed-fleet)

## Best For

- smith & allan enthusiasts

## Why This Product

- Trusted smith & allan brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Engine Powerhouse:** Premium mineral oil blend engineered for both petrol and diesel engines, including turbocharged variants.
- • **Versatile Fleet Ready:** Perfect for commercial vehicles, agricultural machinery, and even select transmissions and hydraulic systems.
- • **Trusted Quality & Value:** Smith & Allan’s proven formula with a 4.7-star rating ensures reliability and peace of mind.
- • **Ultimate Engine Defense:** Advanced additives deliver superior anti-wear protection and corrosion resistance to extend engine life.
- • **Clean & Efficient Performance:** Keeps engines spotless and running smoothly, reducing downtime and maintenance costs.

## Overview

Smith & Allan Ultra 15W-40 Engine Oil is a high-quality mineral oil designed for mixed petrol and diesel fleets. Supplied in a 20-litre bulk container, it features advanced additives for anti-wear, rust protection, and engine cleanliness. Suitable for a wide range of vehicles and machinery, it meets API CG-4/CF-4/SJ and ACEA A3/B4 standards, making it a versatile, trusted choice for professional-grade engine maintenance.

## Description

Ultra 15W/40 is mixed fleet engine oil, incorporating high quality virgin mineral oils and performance additives, which make it suitable for use in a wide variety of diesel and petrol engine designs, including turbo charged versions. The product protects engine components from rust and corrosion, as well as providing high levels of engine cleanliness and anti-wear performance. This product is intended for use in a range of vehicle and engine types, including commercial vehicles, buses, coaches, cars and vans, plant and construction machinery and agricultural machinery. It may also be used in some transmissions, hydraulic systems, PTOs, and compressors, where a lubricant of this viscosity and performance is recommended. API: CG-4/CF-4/SJ, ACEA: A3/B4 (2012)

Review: Best oil around - Really love this company. Their quality is amazing and something I wanted to guarantee in car. Performance is great. And great value too.
Review: Pleased. - Quality product with fast delivery.

## Features

- Ultra 15W 40 Engine Oil Petrol and Diesel Mixed Fleet 20 Litre 20L
- Brand : Smith and Allan
- Product type: AUTO OIL
- 20 Litre
- 15W 40 Engine Oil Mineral Diesel Petrol

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00FGREEVI |
| Best Sellers Rank | 19,546 in Automotive ( See Top 100 in Automotive ) 242 in Car Engine Oils |
| Brand | Smith & Allan |
| Customer Reviews | 4.7 4.7 out of 5 stars (64) |
| Date First Available | 26 Sept. 2013 |
| Item Weight | 20 kg |
| Item model number | UMO20LT |
| Manufacturer | Smith & Allan |
| Manufacturer part number | 1892-20lt |
| Model | Ultra 15W-40 |
| Viscosity | 15W-40 SAE Grade |

## Product Details

- **Brand:** Smith & Allan
- **Liquid volume:** 20 Litres
- **Package information:** Drum
- **Vehicle service type:** Car, Truck
- **Viscosity:** 15W-40 SAE Grade

## Images

![Ultra 15W-40 Engine Oil Petrol & Diesel Mixed Fleet 20 Litre 20L - Image 1](https://m.media-amazon.com/images/I/71utW2BguQL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: What thread is the cap please? (So that I can buy a dispensing tap or pump to suit.)**
A: It is 60mm diameter.
Zoro sells them to suit 20 and 25 litre cans.
Smith and Allen are a good company to deal with with a reliable delivery compan

**Q: Will this work with a Hyundai 4 stroke pressure washer? Says I need 15w-40 for the engine.**
A: If it says 15-40 needed then yes it will do the job

**Q: Is this product equivalent or compatible with kubota udt transmission oil**
A: This product is an engine oil, Kubota UDT is a transmission oil. See Agritech HTF 10W-30 is our listings.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best oil around
*by D***L on 9 September 2024*

Really love this company. Their quality is amazing and something I wanted to guarantee in car. Performance is great. And great value too.

### ⭐⭐⭐⭐⭐ Pleased.
*by A***R on 20 December 2025*

Quality product with fast delivery.

### ⭐⭐⭐⭐⭐ Good
*by C***T on 4 May 2025*

Spot on

## Frequently Bought Together

- Ultra 15W-40 Engine Oil Petrol & Diesel Mixed Fleet 20 Litre 20L
- ISO 46 Hydraulic Oil VG46 Fluid 20 Litre 20L
- EP 80W-90 Gear Oil API GL-5 Gearbox Diff Transmission Axle Fluid 20 Litre 20L

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**Shop now:** [https://www.desertcart.com.au/products/307781392-ultra-15w-40-engine-oil-petrol-and-diesel-mixed-fleet](https://www.desertcart.com.au/products/307781392-ultra-15w-40-engine-oil-petrol-and-diesel-mixed-fleet)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-20*