Trace the whole vehicle through the loading path
A low-clearance vehicle can pass the first ramp and still touch at the deck transition. Front overhang, wheelbase, the lowest points, breakover geometry and rear overhang can each control at a different stage. Its disabled condition also matters.
Compare those details with the actual carrier drawing, including usable deck space and access for restraints. A headline loading angle may describe only one suspension or deck condition. Ramps and articulated sections bring their own setup and rating requirements.
Check the approach, transition and final load position
A longer or lower deck can change rear overhang, completed mass and axle reactions. Select the deck with the chassis and recovery equipment, then verify where the target wheels and restraints will sit after loading.
Scroll horizontally to view all columns.
| Decision | What to establish | Condition or limit |
|---|---|---|
| Approach | Check first contact between the target and the loading surface. | A headline angle may apply only to one deck or suspension condition. |
| Transition | Check clearance as each axle crosses the approach and deck hinge or breakover. | Passing the first ramp does not prove the complete path. |
| Deck fit | Confirm tire placement, overhang and securement access on the usable deck. | Overall deck length is not all usable load space. |
| Chassis integration | Recalculate completed mass, rear overhang and axle reactions. | A longer or lower deck can change chassis feasibility. |
Check clearance at more than the first ramp contact
A low approach angle does not guarantee that the vehicle clears the deck transition or final tire position.
The controlling point is the smallest verified clearance or usable-space margin across the complete path, not the brochure angle by itself.
Scroll horizontally to view all columns.
| Step | Calculation or condition | Result |
|---|---|---|
| First contact | Front overhang clearance at the approach | Record pass or conflict |
| Breakover | Underbody clearance as the axles cross the transition | Record pass or conflict |
| Deck position | Tire placement + overhang + restraint access ≤ usable deck | Record pass or conflict |
- Target geometry: Wheelbase, front overhang, rear overhang and minimum clearance
- Carrier geometry: Approach, hinge and usable deck dimensions
- Target condition: Normal ride height plus credible disabled condition
Illustrative decision sequence only. Use a controlled geometry study or witnessed loading check. This worksheet is not an operating instruction.
Send target geometry with the carrier inquiry
Provide wheelbase, overhangs, clearance points and the condition of representative target vehicles. Request a review of the complete loading path and final axle loading against the installed carrier’s instructions. Leave uncertain clearance, restraints, ratings or ground conditions unresolved rather than assuming another model’s demonstration applies.
Information to prepare for this review
- Representative target-vehicle wheelbases and overhangs
- Minimum ground-clearance and sensitive component locations
- Required usable deck length and width
- Published loading angle and deck transition geometry
- Winch, restraint and loading-surface requirements
- Selected chassis wheelbase, axle ratings and rear overhang
Records to request and keep
- Target-vehicle geometry schedule
- Manufacturer deck drawing and loading-angle conditions
- Completed-vehicle layout and axle-load calculation
- Controlled loading demonstration for the agreed target case
Common mistakes and what to check instead
- Comparing only the smallest published angle: Check every transition and the conditions attached to that figure.
- Using overall deck length as usable length: Reserve tire, overhang and restraint working space.
- Ignoring disabled suspension or tire condition: Include credible recovery states in the target schedule.
Scope of this guide
The page does not approve a loading operation or replace the carrier manual.
Actual clearance depends on the target condition, surface and installed carrier geometry.
Stop loading when clearance, restraint, deck rating, ground or winch conditions cannot be verified.
Sources and applicability
Controls the project-input, quotation, approval and inspection workflow described in this guide.
Provides public checklists and worksheets; the signed project documents remain controlling.
Defines the relevant product family and published configuration boundaries. Project-specific ratings require the selected OEM documents.
Primary manufacturer example showing that towing-equipment ratings, chassis capacity and operating limits are manual and model specific. It does not provide a KEEYAK project rating.