420sx Operator’s Manual Service - 97
Recommended Lubricants/Service Key
Recommended Lubricants/Service Key
Proper lubrication and maintenance protects Ditch Witch equipment from damage and failure. Service
intervals listed are for minimum requirements. In extreme conditions, service machine more frequently.
Use only recommended lubricants. Fill to capacities listed in See “Specifications” on page 129.
For more information on engine lubrication and maintenance, see your Deutz
®
engine manual.
Item Description
DEO Diesel engine oil meeting API service classification CF-4 or E1-96 and SAE viscosity
recommended by engine manufacturer (SAE 15W40)
MPG Multipurpose grease meeting ASTM D217 and NLGI 5
MPL Multipurpose gear oil meeting API service classification GL-5 (SAE 80W90)
THF Tractor hydraulic fluid, similar to Phillips 66 HG, Mobilfluid 423, Chevron Tractor
Hydraulic Fluid, Texaco TDH Oil, or equivalent
Check level of fluid or lubricant
Check condition
Filter
Change, replace, adjust, service, or test
NOTICE:
• Use only genuine Ditch Witch parts, filters, and approved lubricants to maintain warranty.
• Use the “Service Record” on page 139 to record all required service to your machine.