I used it in the Differential on my classic car (Austin Healey Sprite). The gearbox on my car used 20 50 oil. Suggest you check online to see what your gearbox needs.

Hi which oil is most like castrol d40?

Hi, do you mean D140? This is a bit thinner than that.

The objective i am seeking is to keep my blade lubricated on a Khukuri so no air or moist can come in direct contact of the blade

Hi, probably better off with a product like the ACF 50 or Bilt Hamber Dynax UC.

Can you use this in the differential?

Castrol EP90 is a high pressure oil rated to GL-4 standard making it suitable for use in standard/low power axles and differentials. However, high performance and limited slip differentials require a GL-5 rated oil. For axles the GL and the viscosity ratings are important, I would check what is recommended for your diff. Hope this helps

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Castrol Classic EP90 Gear Oil | SAE90 GL-4 | Mineral Gear Oil for Classic Vehicles | Extreme Pressure for Gear Box and Axle | Hypoid and Non-Hypoid Applications

Product ID: 49209910

Details

Brand
Castrol
Liquid volume
1 Litres
Package information
Tin
Vehicle service type
Car Truck
Viscosity Level
Medium to High

🔥Extreme pressure formula for hypoid & non-hypoid gears

⚙️SAE90 GL-4 for optimal gear protection

🛢️1L premium mineral gear oil

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Description

⚙️ Keep your classic ride running smooth — because timeless style deserves timeless protection!

UNIVERSAL FIT - Versatile mineral oil suitable for both hypoid and non-hypoid applications across cars and trucks.
CONVENIENT PACKAGING - 1-liter tin container designed for easy storage and precise pouring.
TRUSTED BRAND QUALITY - Castrol Classic’s legacy guarantees reliability with a 4.8-star rating from 210+ users.
EXTREME PRESSURE PROTECTION - Formulated to withstand high stress in gearboxes and axles, extending component life.
CLASSIC VEHICLE COMPATIBILITY - Specifically engineered for vintage and classic cars, ensuring authentic performance.

Castrol Classic EP90 Gear Oil is a premium SAE90 GL-4 mineral oil designed for classic vehicles. It offers extreme pressure protection for gearboxes and axles, suitable for both hypoid and non-hypoid applications. Packaged in a 1-liter tin, this trusted Castrol product ensures reliable performance and longevity for vintage cars and trucks.

Specifications

ASIN	B00OIPYLQW
Automotive Fit Type	Universal Fit
Best Sellers Rank	60,098 in Automotive ( See Top 100 in Automotive ) 524 in Car Engine Oils
Brand Name	Castrol
Compatible with Vehicle Type	Car, Truck
Container Type	Tin
Customer Reviews	4.8 4.8 out of 5 stars (211)
Global Trade Identification Number	05060391200187
Item Weight	2 Pounds
Liquid Volume	1 Litres
Manufacturer	Castrol Classic
Manufacturer Part Number	1BWQ-LCC3-KFEX
Model Number	1840B
Number of Packs	1
Size	1 liter
Unit Count	1000.0 millilitre
Viscosity Level	Medium to High

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¥13011

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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