MAINTENANCE

We service Humvee motor vehicles!

3850 lb Uses Red O-Ring, RCSK17877        3400 lb Uses Black O-Ring, 12342633
The 3850 pound wheel can be identified by the extra unused hole in the outer bolt ring.

For questions about your H1 or HMMV e-Mail [email protected]


Suggested H1 & HMMWV Maintenance Schedules

VehicleService Interval
H1 up to 19973,000 • 6,000 • 12,000 • 15,000 • 30,000 • 57,000 • 60,000 Miles
H1 1997 and After3,000 • 6,000 • 12,000 • 15,000 • 24,000 • 36,000 • 60,000 Miles
General MaintenanceGroup A • Group B • Group C

H1, up to 1997

3,000 Miles (4,800 km)
9,000 • 15,000 • 21,000 • 27,000 • 33,000 • 39,000 • 45,000 • 51,000 • 57,000 • 63,000
Change engine oil and replace filter.
Check alignment and toe-in, toe-out.
Check items in Maintenance Group A.
Back to Top
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6,000 Miles(9,600 km)
18,000 • 30,000 • 42,000 • 54,000 • 66,000 • 78,000 • 90,000 • 102,000 • 114,000 Miles
Change engine oil and replace filter.
Clean or replace air filter.
Replace fuel filter element.
Check items in Maintenance Groups A & B
Back to Top
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12,000 Miles (19,000 km)
24,000 • 36,000 • 48,000 • 60,000 • 72,000 • 84,000 • 96,000 • 108,000 • 120,000 Miles
Change engine oil and replace filter.
Clean or replace air filter.
Replace fuel filter element.
Change engine coolant.
Change transmission fluid and transfer case fluid.
Check alignment and toe-in, toe-out.
Check items in Maintenance Groups A, B & C.
Back to Top
15,000 Miles (24,000 km)
21,000 • 27,000 • 33,000 • 39,000 • 45,000 • 57,000 • 63,000 • 69,000 • 75,000 • 81,000 Miles
Change engine oil and replace filter.
Check items in Maintenance Group A.
Back to Top
30,000 Miles (48,000 km)
96,000 Miles
Change engine oil and replace filter.
Clean or replace air filter.
Replace fuel filter element.
Check alignment
Check items in Maintenance Groups A & B.
Back to Top
57,000 Miles (91,700 km)
63,000 • 69,000 • 75,000 • 81,000 • 87,000 • 93,000 • 99,000 • 105,000 • 111,000 • 117,000 Miles
Change engine oil and replace filter.
Check items in Maintenance Group A.
Back to Top
60,000 Miles (65,500 km)
24,000 • 36,000 • 48,000 • 60,000 • 72,000 • 84,000 • 96,000 • 108,000 • 120,000 Miles
Change engine oil and replace filter.
Clean or replace air filter.
Replace fuel filter element.
Change engine coolant.
Change transmission fluid and transfer case fluid.
Check alignment and toe-in, toe-out.
Check items in Maintenance Groups A, B & C.
Back to Top

H1, 1997 and Up

3,000 Miles (4,800 km)
9,000 • 15,000 • 21,000 • 27,000 • 33,000 • 39,000 • 45,000 • 51,000 • 57,000 • 63,000 Miles
Change engine oil and replace filter.