Manufacturing & Oils

De'Ran Products

Randolph Products

At Randolph Manufacturing, we produce industrial gearboxes ranging from F30A to G400, with larger models available on request through our American supplier. Our team takes pride in serving a diverse range of industries, including:

• Irrigation

• Agriculture

• Pumping systems

• Oil and mining rigs

We combine precision engineering with practical experience to deliver reliable, high-performance gearboxes tailored to each industry’s unique requirements.

Recommended Gear Oils by Ambient Temperature

For ambient temperatures between 0ºC (32ºF) and 30ºC (86ºF), the following oils are suitable:

• BP: GRXP 220

• Caltex: GR & O

• Mobil: 630

• Esso: TERRESSO 85

• Shell: OMALA 220

For ambient temperatures between 20ºC (68ºF) and 60ºC (140ºF), the following oils are recommended:

• BP: GRXP 220

• Caltex: GR & O

• Mobil: 632

• Esso: TERRESSO 100

• Ampol: GEARLUBE SP 220

• Castrol: ALPHA SP 220

• Shell: OMALA 220

Note: This information has been prepared in good faith from the best available sources at the time of publication. Users should verify that the selected product is suitable for their specific application before placing an order.