---
product_id: 41776304
title: "Fleet Supreme 5W-40 API CK-4 Full Synthetic Heavy Duty Diesel Engine Oil | Moly Boron Friction Modified | Extended Drain (5 Gallon)"
brand: "triax"
price: "€ 612.58"
currency: EUR
in_stock: true
category: "Triax"
url: https://www.desertcart.be/products/41776304-fleet-supreme-5w-40-api-ck-4-full-synthetic-heavy
store_origin: BE
region: Belgium
---

# Up to 4% better fuel economy 60% less engine wear Cold flow to -46°F Fleet Supreme 5W-40 API CK-4 Full Synthetic Heavy Duty Diesel Engine Oil | Moly Boron Friction Modified | Extended Drain (5 Gallon)

**Brand:** triax
**Price:** € 612.58
**Availability:** ✅ In Stock

## Summary

> 🚛 Power your fleet with the oil that works as hard as you do!

## Quick Answers

- **What is this?** Fleet Supreme 5W-40 API CK-4 Full Synthetic Heavy Duty Diesel Engine Oil | Moly Boron Friction Modified | Extended Drain (5 Gallon) by triax
- **How much does it cost?** € 612.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/41776304-fleet-supreme-5w-40-api-ck-4-full-synthetic-heavy)

## Best For

- triax enthusiasts

## Why This Product

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

## Key Features

- • **All-Weather Warrior:** Exceptional cold flow down to -46°F ensures reliable starts and performance in the harshest winters.
- • **Fuel Efficiency Boost:** Save up to 4% on fuel compared to 15W-40 oils, turning every gallon into extra miles and savings.
- • **Turbocharger Guardian:** Friction-modified formula prevents deposits and ash buildup, protecting your turbo for peak power.
- • **Extended Drain Intervals:** Drive up to 25,000 miles in pickups and 100,000 miles in semis without oil changes—less downtime, more productivity.
- • **Unmatched Engine Longevity:** 60% lower wear than top competitors means your diesel engine runs smoother, longer.

## Overview

Triax Fleet Supreme 5W-40 is a full synthetic, API CK-4 certified heavy-duty diesel engine oil engineered with moly boron friction modifiers and advanced additives. It delivers industry-leading wear protection, exceptional cold flow to -46°F, and extended drain intervals up to 100,000 miles for class 8 trucks. Compatible with all major diesel engines and emission systems, it enhances fuel economy by up to 4% while safeguarding turbochargers and reducing engine noise.

## Description

desertcart.com: Triax Fleet Supreme 5W-40 API CK-4 Full Synthetic Heavy Duty Diesel Engine Oil | Moly Boron Friction Modified | Extended Drain (5 Gallon)

## Features

- Unique Additive Technology for UNSURPASSED WEAR PROTECTION, oxidation, and high temp stability. 60% lower wear than leading lubricants and standards. WIDE RANGE COMPATIBLE - Compatible with all heavy-duty diesel engines, including Ford, Caterpillar, Cummins, Detroit Diesel, Volvo, Mercedes Benz, and many others. Including those fitted with advanced emission control systems.
- HIGHEST VISCOSITY INDEX any 5W-40 motor oil, of any brand, with exceptional stability and flow properties. Friction modified and VI stabilizer pre-boosted. Un-rivaled turbo-charger protection, will not create deposits and ash on turbo bearings (will not fry on the turbo). Up to 4% Fuel economy vs any 15W-40. COLD FLOW - Exceptional cold flow down to - 46 F.
- OUTSTANDING POWER-STROKE PERFORMANCE Including 6.0 L turbo diesel: ELIMINATES STICTION AND INJECTOR ISSUES that plague Power-stroke engines - No need for additional additives - Contains state-of-the-art dispersal and ash control systems to keep your engine extremely clean.
- EXTREME DRAIN CAPABILITIES: 25,000 mile drain interval for pickups and up to 100,000 for class 8 semi-trucks*
- WHAT WILL YOU NOTICE THE FIRST TIME YOU SWITCH? - Dramatic reduction of engine noise. Improved fuel economy by at least 2%. Substantially longer drain intervals vs all other brands. Virtually no deposits on turbos. Significantly improved oil analysis results and engine durability.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071RFB15F |
| Best Sellers Rank | #50,589 in Automotive ( See Top 100 in Automotive ) #423 in Motor Oils |
| Brand Name | Triax |
| Compatible with Vehicle Type | Heavy Duty Diesel Engines |
| Container Type | Pail |
| Customer Reviews | 4.7 4.7 out of 5 stars (317) |
| Flash Point | 232 °C |
| Liquid Volume | 5 gallons |
| Manufacturer | Triax Lubricants LLC |
| Manufacturer Part Number | TRX1092-55 |
| Manufacturer Warranty Description | Full warranty replace or repair for the specifications listed in the data sheet. |
| Model Number | 5W-40 |
| SAE J300 Viscosity Grade | 5W-40 |
| Size | 5 Gallon |
| UPC | 852771008026 |
| Unit Count | 640 Fluid Ounces |

## Product Details

- **Brand:** Triax
- **Liquid Volume:** 5 gallons
- **Package Information:** Pail
- **SAE J300 Viscosity Grade:** 5W-40
- **Vehicle Service Type:** Heavy Duty Diesel Engines

## Images

![Fleet Supreme 5W-40 API CK-4 Full Synthetic Heavy Duty Diesel Engine Oil | Moly Boron Friction Modified | Extended Drain (5 Gallon) - Image 1](https://m.media-amazon.com/images/I/71y9mHjHtUL.jpg)

## Available Options

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

## Frequently Bought Together

- Triax Fleet Supreme 5W-40 ESP API CK-4 Full Synthetic Diesel Engine Oil, Friction Optimized and Boosted with Molybdenum and Nano-Boron, Superb Powerstroke Performance (5 Gallon)
- Motorcraft Oil Filter - FL2124S (Replaces FL2051S)
- Triax Fleet Supreme 15W-40 API CK-4 Full Synthetic Diesel Engine Oil | Friction Optimized and Boosted with Molybdenum & Nano-Boron | Superb Powerstroke Performance (5 Gallon)

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**Shop now:** [https://www.desertcart.be/products/41776304-fleet-supreme-5w-40-api-ck-4-full-synthetic-heavy](https://www.desertcart.be/products/41776304-fleet-supreme-5w-40-api-ck-4-full-synthetic-heavy)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-08-19*