ST37x Operator’s Manual Service - 67
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 genuine Ditch Witch parts, filters, approved lubricants, TJC, and approved coolants to maintain
warranty. Fill to capacities listed in “Specifications” on page 97.
For more information on engine lubrication and maintenance, see your engine manual.
Item Description
DEO Diesel engine oil meeting or exceeding API service classification CJ-4, ACEA E6, or
JASO DH-2. No synthetics. Engine must use low sulfated ash, phosphorous, and sulfur
(low SAPs) oil. See “Engine Oil Temperature Chart” on page 68.
DEAC
Diesel engine antifreeze/coolant meeting
CES 14603.
THF
Tractor hydraulic fluid, similar to Phillips 66
®
PowerTran Fluid, Mobilfluid
®
423,
Chevron
®
Tractor Hydraulic Fluid, Texaco
®
TDH Oil, or equivalent
MPG Multipurpose grease meeting NLGI GC-LB Grade 2
Check level of fluid or lubricant Check condition
Filter Change, replace, adjust, service or
test
IMPORTANT: Use the “Service Record” on page 105 to record all required service to your machine.