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  • Transmission and clutch lubrication specifications

Transmission Lubricants

Eaton recommends the use of Eaton lubricants for an extended drain interval.

Use the Heavy-Duty and Medium-Duty charts, starting with transmission type, to locate the correct lubricant and change interval.

Note: See line haul and vocational definitions for more information.

Transmission Oil Filters

Transmission filters should be changed during regular lube intervals.

Inspection of the transmission filter should be conducted during preventative maintenance checks for damage or corrosion. Replace as necessary.

Heavy-Duty Transmissions

ProductSynthetic or MineralLubricant SpecificationSAE Viscosity GradeChange Interval for Linehaul Change Interval for Vocational

Automated and above 1,850 lb-ft.

Hybrid (HEV)

FRW Transmissions

All Transmissions with Extended Warranty

SyntheticPS-386N/A500,000 miles [800,000 Km] or 5 years

180,000 miles [288,000 Km] or 3 years (mobile applications)

2,000 hours or 5 years (stationary applications)

MechanicalSyntheticPS-386N/A500,000 miles [800,000 Km] or 5 years

180,000 miles [288,000 Km] or 3 years (mobile applications)

2,000 hours or 5 years (stationary applications)

MechanicalMineralHeavy-Duty Engine OilSAE 50 (HD Engine Oil), Mil 2104H, Cat TO-4 (SAE 40 - SAE 50)60,000 miles [96,000 Km] or 1 year

60,000 miles [96,500 Km] or 1 year (mobile applications)

500 hours or 1 year (stationary applications)

Medium-Duty Transmissions

ProductSynthetic or MineralLubricant SpecificationSAE Viscosity GradeChange Interval for Linehaul Change Interval for Vocational
ProcisionSyntheticPS-278N/A150,000 miles [241,401 Km] or 10 years (all applications)

Automated

Hybrid (HEV)

All Transmissions with Extended Warranty

SyntheticPS-386N/A500,000 miles [800,000 Km] or 10 years

180,000 miles [288,000 Km] or 3 years (mobile applications)

2,000 hours or 5 years (stationary applications)

ASW Clutch ModuleSyntheticDextron VIN/A150,000 miles [250,000 Km] or 3 years150,000 miles [250,000 Km] or 3 years

Mechanical

All Transmissions with Extended Warranty

SyntheticPS-386N/A500,000 miles [800,000 Km] or 10 years

180,000 miles [288,000 Km] or 3 years (mobile applications)

2,000 hours or 5 years (stationary applications)

MechanicalMineralHeavy-Duty Engine OilSAE 50 (HD Engine Oil), Mil 2104H, Cat TO-4 (SAE 40 - SAE 50)60,000 miles [96,500 Km] or 1 year500 hours or 1 year

Eaton Clutch Lubrication and Service Interval List

Use the chart below by selecting the Eaton Clutch product to service.

Note 1: The application (linehaul and vocational) definitions can be found here.

ProductNLGI GradeThickener TypePerformance RatingRecommended

Grease Interval: Line Haul

(see Note 2 and 3)

Grease Interval: Vocational

(see Note 2 and 3)

Stamped Angle SpringNLGI #2 or #3Lithium ComplexNLGI GC-LBEaton EP-2 multipurpose grease10,000 miles max (16,000 km)250 hours or 1 month
Medium-Duty Solo
430mm Endurant™No lubricant needed
365 mm (see Note 1)
395 mm (see Note 1) 

EverTough Self-Adjust

EverTough Manual Adjust

NLGI #2 or #3Lithium ComplexNLGI GC-LBEaton EP-2 multipurpose grease25,000 miles max (40,000 km)250 hours or 1 month
Heavy-Duty ECA Clutch50,000 miles max (80,000 km)250 hours or 1 month
Advantage Self-Adjust / Solo Advantage
Easy Pedal™ Advantage
Value ClutchNLGI #2 or #3Lithium ComplexNLGI GC-LBEaton EP-2 multipurpose grease20,000 miles max (32,000 km)250 hours or 1 month
Reman Solo Clutch
Reman Easy Pedal
UltraShift DMNo lubricant needed
Pedal Shaft /Bushings NLGI #2Lithium ComplexNLGI GC-LBEaton EP-2 multipurpose greaseAt every chassis lubricationAt every chassis lubrication