2026 Mack GR64B

Vocational rolloff chassis with delivery-level miles, the duty cycle points to early-life municipal or construction container work rather than highway accumulation. Low mileage means most evaluation value is in confirming build spec and upfit details, hoist model, rail length, and PTO plumbing, because those determine container compatibility and cycle time. Powertrain configuration is not listed, so application fit hinges on verifying engine family, transmission model, and rear ratio on the VIN build sheet. Rolloff work typically benefits from a PTO provision, correct driveline angles, and cooling capacity for low-speed, high-load operation, items worth checking before putting it into daily cycles. Frame rails and body interface points are the first walkaround, look for straight rail flanges, clean hole patterns, and no witness marks from shifting subframe mounts. Hoist pivot points, hook or cable wear surfaces, and rear rollers should show uniform contact with no galling, and hydraulic hoses should be routed with abrasion protection at clamp points. Cab interior and controls should be checked for proper PTO interlock function, hoist control labeling, and any warning light history. Tires, wheel ends, and brake hardware should still present as new, but a quick torque paint check on lug nuts and a look for any seep at hubs, diffs, and hydraulic fittings helps catch early assembly or transport-related issues.