Tipper trucks fail in ways other trucks don’t. Standard road trucks don’t have hydraulic bodies that raise 5,000+ kg of steel above the chassis; don’t have tailgates whose latch failure dumps loads on the road; don’t have hinges under continuous stress from raising and lowering daily. The inspection below covers what experienced tipper operators check every shift — before failures become breakdowns, fines, or injuries.
Walk-around external inspection
1. Tyres
- Visual check all wheels for cuts, bulges, embedded objects (nails are common on construction sites)
- Tread depth — legal minimums vary; aim for at least 4mm on steers, 2mm on drives
- Pressure — visual check for obvious low pressure; gauge check at least weekly on all positions
- Sidewall damage — sidewall cuts are immediate replacement
2. Wheels and hubs
- Lug nut markers — look for paint stripe shift indicating loose nuts
- Hub condition — leaks suggest seal failure
- Wheel rim — cracks, especially after curb hits
3. Body external
- Sides and front wall — dents, bulges (indicates internal damage), corrosion
- Tailgate — latches both sides, hinges intact, sealing closed when latched
- Body hinges (pivot points) — visible wear, cracks at welds, lubrication
- Body floor (inside) — wear-plate condition, holes
4. Cab and signals
- Headlights, indicators, brake lights — all working
- Reverse alarm — required by law in most jurisdictions
- Mirrors — clean, undamaged, correctly adjusted
- Windscreen — chips and cracks (fines and visibility issues)
- Reflectors — required on commercial vehicles
Hydraulic system inspection
5. Hydraulic fluid
- Reservoir level — visible in tank sight glass or by dipstick; top up to within marks
- Fluid colour — clean amber/red is normal; black or milky indicates contamination requiring service
- Visible leaks — under truck, around cylinders, at hose fittings
6. Hydraulic hoses
- Abrasion damage — chafe marks where hoses contact frame or other components
- Bulges — internal damage; replace immediately
- End fittings — leaks at the crimp indicate hose failure imminent
- Tight bends — hoses that have been kinked are damaged even if they don’t leak yet
7. PTO and pump
- PTO engagement — engages cleanly without grinding (with transmission engaged correctly)
- Pump noise — squealing or unusual noises suggest failure approaching
- Vibration during operation — increased vibration is a warning sign
8. Test lift (empty body)
- Smooth rise through full range — no shudders, hesitations, or noises
- Smooth descent under control — descent should be steady, not free-falling at any point
- Full retraction — body sits fully on chassis frame; gaps indicate problem
Brake system
9. Air system (for air-braked tippers)
- Pressure build to operating range (typically 110-130 PSI)
- Low-air warning at 60 PSI — buzzer and warning light
- Air leak test — engine off, application held, pressure should drop less than 3 PSI per minute
- Parking brake test — apply, attempt to drive forward gently in low gear; truck should not move
10. Brake linings and drums (monthly minimum)
Visual inspection of brake chambers, push-rod stroke, drum condition. Beyond visual, full inspection requires lift; arrange with maintenance shop at regular intervals.
Steering and suspension
11. Steering
- Steering wheel free play — within manufacturer spec (typically 5-10 degrees)
- Power steering fluid — level, no leaks
- Tie-rod ends — visible boots intact, no slop
12. Suspension
- Air bags (if fitted) — inflated, no visible damage
- Leaf springs — no broken or cracked leaves
- Shock absorbers — no leaks, mounting bolts tight
- U-bolts — tight, no missing nuts
Cab interior
13. Controls and gauges
- All gauges functional — temperature, pressure, fuel
- Warning lights — verify they illuminate at startup, extinguish after start
- Switches and controls — all working including tipper hoist control
- Wipers and washers — working at all speeds
- Horn — functional
14. Documentation
- Operator’s licence/permits
- Vehicle registration current
- Insurance certificate
- Inspection certificate
- Logbook (if required)
Common findings — when to red-tag the truck
The following defects mean the truck doesn’t roll until repaired:
- Any hydraulic leak more than weeping
- Cracked body hinges or stress points
- Failing tailgate latch on either side
- Brake system air leak above spec
- Steering free play above manufacturer limit
- Tyre cuts to cord, sidewall damage, or below legal tread
- Cracked wheel rim
- Failing brake light or reverse alarm
The 15-minute pre-shift habit
Daily inspection takes 15-20 minutes done properly. This investment:
- Catches developing problems before catastrophic failure
- Establishes documentation if accidents happen later
- Meets regulatory requirements in most jurisdictions
- Saves substantial money over reactive maintenance
Drivers who skip pre-shift inspections are the ones who break down on the job.
Bottom line
Daily walk-around, hydraulic system check, brake test, controls verification. Red-tag for any safety-critical defect. Document findings. Tipper-specific failures (hydraulics, hinges, tailgates) catch operators by surprise when daily inspection is skipped. Follow your operator’s specific procedures and consult an ASE-certified or equivalent technician for anything beyond visual inspection.
