Payload capacity, 2000 lb

Years 1988–89 Models 1 Factory citations 2

Also documented for Chevrolet

Documented applications

Sonoma — first generation (1982–1993)

1988–1989 Factory-verified

1988 from the power team payload key; shared S-series code; cited from the joint S-10/S-15 pages of the S-10 kits

GM Heritage factory kit — 1988 Chevrolet S 10, p.81.
GM Heritage factory kit — 1989 Chevrolet S 10, p.23.

This page aggregates every documented appearance of X9H in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.