Title:
建設機械用潤滑油組成物
Document Type and Number:
Japanese Patent JP6731762
Kind Code:
B2
Abstract:
Provided is a Zinc-free transmission oil composition for construction machinery comprising: a major amount of an oil of lubricating viscosity, a dithiophosphorylated carboxylic acid compound, a phenate detergent, a friction modifier, and greater than 0.05 wt. % of a sulfur-containing wear inhibitor. Also provided is a method for lubricating the transmission of a construction machine comprising lubricating the transmission with said Zinc-free transmission oil composition.
Inventors:
Shuhei Yamamoto
Masanobu Sakamoto
Masanobu Sakamoto
Application Number:
JP2016058954A
Publication Date:
July 29, 2020
Filing Date:
March 23, 2016
Export Citation:
Assignee:
Chevron Japan Co., Ltd.
International Classes:
C10M163/00; C10M141/10
Domestic Patent References:
| JP10067993A | ||||
| JP2000336386A | ||||
| JP2005146010A |
Attorney, Agent or Firm:
Asamura patent office