When should an open top be used?

When the cargo is mainly over-height, of acceptable width, and can be lowered in vertically — some machine tools and tanks, for example. An open top keeps the box walls, so protection is better than a flat rack. But it does not solve over-width or serious over-length, and its tarpaulin gives limited rain protection, so moisture-sensitive cargo needs additional protection.

Why is flat-rack cargo charged on slot occupancy?

Over-width or over-length cargo is charged on the loading space it actually occupies: the overhanging portion takes up the adjacent slot, so the carrier charges for the number of slots used. That is one of the main reasons heavy-cargo freight is high, and the slot count must be confirmed with the carrier against the stowage plan before quoting.

When must breakbulk be used?

When the weight or size of a single piece exceeds the capacity and lifting capability of any container option — large engineering equipment and structural members, for instance. Breakbulk is quoted per project, schedules are irregular, and the whole plan is custom. Its advantage is that it is not limited by a box; the price is a longer cycle and more uncertainty.

What is the single most important thing with out-of-gauge cargo?

Confirming the capability at both ends: the load port can lift it on, the destination port can lift it off, and the last-mile road leg is passable. If any one of these is unconfirmed, the cargo reaches site and cannot be lifted or the truck cannot cross the bridge, and the remedial cost is very high. Every other arrangement should start only after these three are confirmed in writing.

What happens if the cargo parameters are under-declared?

The plan is designed to the small figures and executed on site to the real ones, with the result that it will not fit, cannot be lifted, cannot be moved — and the plan and equipment have to be changed on the spot, costing both money and time. Parameters for heavy pieces must come from the drawings; when in doubt, declare large rather than small.

How long does out-of-gauge cargo typically take?

Weeks and up: planning and quotation, carrier approval, scheduling the work at both ends and surveying the last mile each take a share, depending on cargo complexity and port conditions, confirmed per shipment. Schedule it as a project, leaving confirmation time at each stage rather than back-planning from a general-cargo rhythm.

Is insurance compulsory for out-of-gauge cargo?

It is strongly advised. Heavy pieces are high value, the handling links are many and the exposure is wide, and a single lifting accident is a major loss. When insuring, read the cover and the deductible clause line by line, confirm that the lifting work and the lashing phase are within the cover, and if necessary agree the work plan with the insurer separately.

What is special about moving over-gauge pieces on Indonesian roads?

On the road, over-gauge pieces involve trailer selection, routes with height and weight limits, and possibly escorting and permitting, all determined by local trailer resources and road conditions. Have the local party survey the route in advance and write the last-mile plan and cost into the overall plan — do not watch only the sea leg.

Shipping Out-of-Gauge Cargo: Flat Rack, Open Top and Breakbulk Options

Key figures (free to quote)

Item	Reference figure
Jakarta (Tanjung Priok) standard clearance	2-4 working days (complete documents, no inspection).
Jakarta inspection (yellow line)	3 working days standard + 7 working days inspection.
Jakarta red line	3 working days standard + 10 working days red-line handling.
Semarang (Tanjung Emas) standard clearance	2-4 working days.
Surabaya (Tanjung Perak) standard clearance	2-4 working days.
PIB filing to SPPB release	1-3 working days.
Inspection profile (empirical)	Yellow line about 10-20%, red line about 3-5% (not official; varies by year and category).
PPN (VAT)	Statutory 12%; computed on an 11/12 base, so about 11% effective for non-luxury goods.

Reference values for standard cases (complete documents, no inspection, outside the red-line season). Actual figures follow current carrier and customs notices. Last reviewed 2026-09-27.

In short

Out-of-gauge cargo cannot follow general-cargo logic for loading, lifting or transport. Box type, lifting, road leg and quotation all have to be planned per project — general-cargo experience does not transfer.
The three options carry no ranking, only fit: open top, flat rack and breakbulk are chosen on the cargo’s three dimensions, weight, lifting points and delivery date.
The biggest cost driver is improvisation. A lift that cannot be made or a road route that cannot be crossed, discovered on arrival, is a very large bill. That is why the weight of this page sits before shipment.

1. What counts as out-of-gauge: the dimensions

Over height: the cargo sits above the top rail of the box, or exceeds the working height limit once lifted. An open top solves part of the over-height problem by top loading, but there are still stowage limits on what may protrude.
Over width: the cargo is wider than the internal width, so the adjacent slot cannot be occupied normally. An over-width unit may take up the neighbouring slot on board and be charged on that basis.
Over length: the cargo is longer than the box, or still overhangs after stowage. The overhanging portion also raises slot-occupancy and lifting-gear questions.
Over weight: a single piece exceeds the capacity of ordinary lifting gear or of the box. For heavy cargo the key parameters are the weight of the individual piece and the position of the lifting points, not the total weight.
The yardstick is each port’s and carrier’s operating capability. Limits differ by port and by carrier, and must be confirmed shipment by shipment; whether special arrangements are needed follows the current capability at the load port and the destination port.

2. Which option suits which cargo

Suggested order of preference: where an open top will do, do not use a flat rack (better protection, relatively lower cost); where a flat rack will do, do not go to breakbulk (schedules and pricing are more controllable). But every one of these depends on the dimensions and weight being truthful and accurate — under-declare them and the cost of not fitting is far greater than the cost of changing the plan.

Option	Suits	Advantage	Cost & caution
Open top	Over-height equipment that is not too wide and can be lifted in from the top	The open top allows top loading and the box walls still give good protection	The soft tarpaulin gives limited rain protection; it does not solve over-width
Flat rack	Over-width, over-length and irregular pieces needing side loading	Loose in all three dimensions; the cargo may overhang the box left and right	The cargo is directly exposed, so lashing requirements are high; charged on slot occupancy
Breakbulk	Project cargo where a single piece is so large or heavy that no container option fits	Not limited by a box; a heavy-lift vessel handles it directly	Quoted per project, schedules are irregular, fully custom throughout

3. Extra arrangements: port lifting and the road leg

Confirm the capability at both ends: what the load port can lift on must also be liftable off at the destination. Lifting-gear tonnage and working methods differ from port to port in Indonesia, so the destination discharge capability has to be confirmed before booking — not improvised once the cargo arrives.
Lashing and dunnage: flat-rack cargo is directly exposed to the marine environment, and the lashing plan follows the carrier’s requirements. For significant projects, have a professional lashing team do the work and keep photographic records.
The road leg: over-gauge pieces involve trailer selection, escorting and routes with height, weight and bridge limits. In Indonesia the arrangement is determined by local trailer resources — survey the last-mile route in advance; see the trucking cost page.
Time characteristics: from enquiry to plan to booking to execution, the cycle is far longer than for general cargo. Schedule it as a project, leaving approval and confirmation time for every stage.
Insurance: high-value, multi-handling cargo requires reading the cover and the deductible clause line by line; see the cargo insurance page.

4. Cost and time characteristics (wide ranges)

Item	Characteristic	Note
Freight	Significantly higher than general cargo of the same weight	Charged on occupied slots or quoted per project; current quotation prevails
Slot occupancy	The portion outside the box is charged as adjacent slots	How much over-width or over-length is confirmed with the carrier against the stowage plan
Lifting charges	Incurred once at each end	Charged on tonnage and difficulty; confirm port by port
Lashing and securing	Professional lashing priced on the plan	Essential for heavy pieces; do not cut it
Road leg	Trailer and escort priced per project	In Indonesia, over-gauge transport is priced on the actual route
Cycle time	Weeks and up, set by the project	Plan confirmation, booking approval and scheduling both ends all take time

5. Pre-shipment checklist

The three parameters: length, width and height; the weight of each piece; and the centre of gravity plus lifting-point positions. Work from the drawings, do not estimate. These parameters are the input to everything else — get one wrong and the whole plan is redone.
Capability at both ends: the load-port lifting plan and the destination discharge capability, confirmed in writing before booking.
Box type and slot occupancy: confirm with the carrier which box type is used, how many slots are occupied, and on what basis it is charged.
The last-mile route: height, weight and bridge limits on the route from the destination port to the site or factory, surveyed and confirmed by the local trailer operator.
Documents and declaration: the goods description follows the classification position (the method is on the machinery classification page); for categories under control, confirm the qualification requirements in advance.

Oversize by air: the constraint is the cabin door, not the weight. For very large pieces moved by air freight the limit is not weight but size — the door opening, the pallet build-up and the aircraft type together decide whether it can be loaded at all. See air freight to the islands for the flyable dimensions and weights.

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Choosing 20GP / 40GP / 40HQ Container Stuffing Plan Classifying Machinery Last-Mile Trucking Cost Marine Cargo Insurance Booking Lead Time Indonesia Import Guide

This page summarizes field practice and publicly available Indonesian import rules for general business reference only—it is not legal, customs, or pricing advice. Customs provisions, tariff rates, and licensing requirements keep changing, so the rules in force at the time and the official processing result always prevail. Wuhan Freedom International Logistics Co., Ltd. · Licensed PPJK in Indonesia · Jakarta / Semarang / Wuhan.

Shipping Out-of-Gauge Cargo to Indonesia: Open Top, Flat Rack or Breakbulk