Side-Rolling Hatch Cover
critical
IMO Required
Side-rolling hatch covers commonly found on multi-purpose vessels.
4000h
Service Interval
Typical Manufacturers
MacGregor
TTS
Known Models (4)
MacGregor Side-Rolling HC
1.75 t/m² load capacity
· Cargo Hold Access
Common Failures:
- • Rail wheel flat spots
- • Cross-joint packing leak
- • Hydraulic ram seal failure
Service: Check rail alignment at every dry-dock. Cross-joint packing replacement as needed.
Spares: MacGregor: Ersatzteile per Hersteller. Lead time: 3-8 Wochen. Dichtungen und Ventileinsätze an Bord vorhalten.
MacGregor Side-Rolling SR-24
Weather-tight per ICLL
· Cargo Hold Access
· Hydraulic side-rolling
type: side_rolling
actuation: chain_driven
panels: 2
Common Failures:
- • Track roller bearing failure
- • Chain drive wear
- • Panel derailment
Service: Lubricate track rollers weekly; inspect chain tension monthly.
Spares: MacGregor: Ersatzteile per Hersteller. Lead time: 3-8 Wochen. Dichtungen und Ventileinsätze an Bord vorhalten.
✔ Pros
- • Efficient cargo handling due to its side-rolling design
- • Reliable operation with chain-driven actuation
- • Suitable for a variety of cargo types
- • Easy maintenance access
- • Space-saving design
⚠ Cons
- • Higher initial investment compared to some other hatch cover types
- • Potential for track roller bearing failure if not properly maintained
- • Chain drive wear can lead to operational issues if not regularly inspected
- • Panel derailment possible if not correctly aligned
- • Regular lubrication of track rollers is required
Typical Vessels:
ContainerBulk CarrierGeneral Cargo
Certifications:
DNVABS
Decision Guide: Choose if you prioritize efficient cargo handling and have the budget for a reliable, low-maintenance side-rolling hatch cover system. Avoid if your vessel requires frequent panel opening and closing, as the chain-driven mechanism might not be the most efficient for such operations.
Use Cases: Typically deployed on container ships, bulk carriers, and general cargo vessels where efficient and reliable cargo access is crucial.
MacGregor Side-Rolling SR-18
Weather-tight per ICLL
· Cargo Hold Access
· side_rolling
type: side_rolling
panels: 2
Common Failures:
- • Track corrosion
- • Drive motor overload
- • Seal compression loss
Service: Keep tracks clean and painted; check motor current draw.
Spares: MacGregor: Ersatzteile per Hersteller. Lead time: 3-8 Wochen. Dichtungen und Ventileinsätze an Bord vorhalten.
TTS Marine TTS Side-Rolling Cover
Weather-tight per ICLL
· Cargo Hold Access
· side_rolling
type: side_rolling
actuation: chain_pulled
Common Failures:
- • Chain stretch
- • Roller wheel flat spots
- • Panel gap seal leak
Service: Measure chain elongation quarterly; replace wheels at 5% flat.
Spares: TTS Marine: Ersatzteile per Hersteller. Lead time: 3-8 Wochen. Dichtungen und Ventileinsätze an Bord vorhalten.