---
product_id: 171290048
title: "Synergy Gear MAX 75W-140 GL-5, PAO Synthetic Long-Drain Axle, Differential Extreme Pressure Oil, Limited Slip Ready, 750,000 Mile Rating on Highway (1 Gal)"
brand: "triax"
price: "$172.76"
currency: USD
in_stock: true
reviews_count: 9
category: "Triax"
url: https://www.desertcart.us/products/171290048-synergy-gear-max-75w-140-gl-5-pao-synthetic-long
store_origin: US
region: United States of America
---

# 750,000 mile highway rating 62% less wear vs OEM -60°F pour point Synergy Gear MAX 75W-140 GL-5, PAO Synthetic Long-Drain Axle, Differential Extreme Pressure Oil, Limited Slip Ready, 750,000 Mile Rating on Highway (1 Gal)

**Brand:** triax
**Price:** $172.76
**Availability:** ✅ In Stock

## Summary

> ⚙️ Gear up with TRIAX Synergy MAX — where endurance meets extreme performance.

## Quick Answers

- **What is this?** Synergy Gear MAX 75W-140 GL-5, PAO Synthetic Long-Drain Axle, Differential Extreme Pressure Oil, Limited Slip Ready, 750,000 Mile Rating on Highway (1 Gal) by triax
- **How much does it cost?** $172.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/171290048-synergy-gear-max-75w-140-gl-5-pao-synthetic-long)

## 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

- • **Limited Slip Ready:** Optimized for both LS and non-LS gear systems, delivering smooth, reliable power transfer under extreme torque.
- • **Unmatched Longevity:** Drive farther with up to 750,000 miles of highway protection—because your gear oil should outlast your journey.
- • **Heavy-Duty Versatility:** Perfect for everything from passenger cars to Class 8 trucks and off-road rigs—engineered for the toughest demands.
- • **Superior Wear Protection:** Experience up to 62% less wear compared to OEM specs, extending the life of your differentials and gears.
- • **Extreme Temperature Resilience:** Operates flawlessly down to -60°F, ensuring peak performance in the harshest climates without compromise.

## Overview

TRIAX Synergy Gear MAX 75W-140 GL-5 is a premium PAO synthetic gear oil designed for extreme pressure and long-drain intervals, boasting a 750,000-mile highway rating. It delivers exceptional shear stability, operates in temperatures as low as -60°F, and reduces wear by up to 62% compared to OEM standards. Ready for limited slip differentials and heavy-duty applications, it ensures superior protection and power transfer across a wide range of vehicles.

## Description

Buy TRIAX Synergy Gear MAX 75W-140 GL-5, PAO Synthetic Long-Drain Axle, Differential Extreme Pressure Oil, Limited Slip Ready, 750,000 Mile Rating on Highway (1 Gal): Gear Oils - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Gear oil 75w-140 - Top notch gear oil. Easy to use with a pump, I also noticed a difference in the performance of my truck.
Review: Definitely switching to Triax brand - Awesome product. Container has two different lids in one, which makes it easier to hook your pump to it. Half the cost from local automotive stores.

## Features

- Extreme drain intervals; 500,000 miles for heavy-duty pickup trucks and passenger cars; 750,000 miles for Class 8 highway trucks; Has -60 F pour point
- Unrivaled shear stability and longevity; meets and exceeds API GL-5 and limited slip requirements with a wide range of specifications across multiple OEMs
- Up to 62% less wear vs OEM specifications across various standards; exceptional load-bearing capacity exceeds the highest load test rating, stage 14
- Hypoid and ring gears, differentials, limited slip, heavy-duty highway passenger cars, heavy-duty off-road, racing/drifting; will not shear under extreme torque; exceptional power transfer under extreme conditions
- Proven protection far beyond spec requirements; excellent extreme pressure and anti-wear performance in a wide range of LS and NON-LS gear systems with hypoid and other gears

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07YK3NYCN |
| Best Sellers Rank | #47,157 in Automotive ( See Top 100 in Automotive ) #73 in Gear Oils |
| Brand | Triax |
| Date First Available | March 8, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Form | Oil |
| Item Weight | 7.41 pounds |
| Item model number | 75W-140 |
| Liquid Volume | 1 Gallons |
| Manufacturer | Triax Lubricants LLC |
| Material | Synthetic |
| Number of Items | 1 |
| Package Information | Bottle |
| Product Dimensions | 7.5 x 3.5 x 12 inches |
| Recommended Uses For Product | Lubricant |
| Specific Uses For Product | Passenger Cars, Trucks and Construction Equipment - Differentials, Gear Assemblies, Final Drives |
| UPC | 852771008866 |
| Unit Count | 128.0 Fluid Ounces |
| Viscosity | 75W-140 |

## Product Details

- **Brand:** Triax
- **Liquid Volume:** 1 Gallons
- **Material:** Synthetic
- **Package Information:** Bottle
- **Recommended Uses For Product:** Lubricant

## Images

![Synergy Gear MAX 75W-140 GL-5, PAO Synthetic Long-Drain Axle, Differential Extreme Pressure Oil, Limited Slip Ready, 750,000 Mile Rating on Highway (1 Gal) - Image 1](https://m.media-amazon.com/images/I/71CeyUCdZXL.jpg)

## Available Options

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

## Questions & Answers

**Q: I need ep140 gl-5 oil for worm gears. Will this work for me?**
A: Yes, it will work exceptionally well.

**Q: Will this oil work in my 2005 nissan 350-z differential that requires 80w/90 gl-5?**
A: We would recommend you use the 75W90 GL-5, the 75W140 is a bit too thick. However, if you are using it in a very hot climate, then you can use a 140, otherwise, use the 75W90.

**Q: Is this yellow metal safe?  jeep xj cherokee's need yellow metal safe fluids.**
A: Yes, it is.

**Q: Can this be used in electronic locking differentials? ford- eld, rear, 2013 fx4**
A: I used it in a 2005 Jeep Wrangler Rubicon, if that helps.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Gear oil 75w-140
*by G***7 on November 23, 2025*

Top notch gear oil. Easy to use with a pump, I also noticed a difference in the performance of my truck.

### ⭐⭐⭐⭐⭐ Definitely switching to Triax brand
*by M***E on October 15, 2025*

Awesome product. Container has two different lids in one, which makes it easier to hook your pump to it. Half the cost from local automotive stores.

### ⭐⭐⭐⭐⭐ Excellent quality
*by M***. on October 13, 2025*

TRIAX blends the best fluids on earth. This gear oil is another example. Great quality and great price for excellence.

## Frequently Bought Together

- TRIAX Synergy Gear MAX 75W-140 GL-5, PAO Synthetic Long-Drain Axle, Differential Extreme Pressure Oil, Limited Slip Ready, 750,000 Mile Rating on Highway (1 Gal)
- TRIAX Synergy Gear Max 75W-90 GL-5 Limited Slip, Ultra Long Drain 500k Miles, Manual Transmission, Gear/Differential Lubricant (1 Gallon)
- Slippery Pete Fluid Pump for Gallon Bottles and Wide Mouth Quart Bottles (Not for Standard Quart Bottles) - Transfer Gear Oil, Transmission and Differential Fluid, Antifreeze with This 30cc Hand Pump

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-18*