Three Container Types, Three Different Use Cases
Choosing the right container for your machinery shipment comes down to three factors: dimensions, weight, and budget. Each container type has trade-offs, and picking the wrong one can mean paying for a flat rack when a standard container would have worked — or worse, discovering at the loading facility that your equipment does not fit.
Here is a clear comparison of the three container types most commonly used for machinery export.
40ft High-Cube (HC) Container
The 40ft high-cube is the workhorse of machinery shipping. It is a standard enclosed steel container with extra height, offering more vertical clearance than a standard 40ft box.
Interior dimensions:
- Length: 39'5" (12.03 m)
- Width: 7'8" (2.35 m)
- Height: 8'10" (2.69 m) — one foot taller than a standard 40ft
- Door opening: 7'6" x 8'5"
Maximum payload: 58,450 lbs (26,510 kg)
Best for:
- Combines (disassembled), tractors, planters, and smaller construction equipment
- Equipment that can be partially dismantled to fit within dimensions
- Shipments where you want maximum security — enclosed on all sides, sealed, weatherproof
Pros:
- Lowest ocean freight rate of the three options
- Full weather protection during transit
- Easiest to handle at ports — standard equipment, no special cranes needed
- Can be stacked on vessel (standard stowage)
Cons:
- Height and width limitations require dismantling large equipment
- Door opening constrains what can be driven or rolled in
- Cannot handle equipment wider than 7'6" without disassembly
Typical ocean freight rate: $3,000-$6,000 depending on route
Flat Rack Container
A flat rack is essentially a container floor with two foldable end walls and no sides or roof. It is designed for oversized and heavy cargo that does not fit in a standard box.
Dimensions (40ft flat rack):
- Length: 39'7" (12.06 m)
- Width: 7'3" (2.22 m) between stanchions — but cargo can extend beyond
- Height: No limit (subject to vessel stowage)
- No side walls or roof — cargo is secured with chains and straps
Maximum payload: 97,000 lbs (44,000 kg) — significantly more than an HC
Best for:
- Large excavators, bulldozers, wheel loaders, and cranes
- Equipment that cannot be disassembled enough to fit in a standard container
- Very heavy single pieces (over 58,000 lbs)
- Equipment with irregular shapes
Pros:
- Handles oversized and overweight cargo
- No height or width restrictions (within vessel limits)
- Can load from top and sides with cranes
- Higher weight capacity
Cons:
- 20-40% more expensive than a standard 40ft HC in ocean freight
- No weather protection — equipment is exposed to salt spray and rain during transit
- Requires special stowage on vessel (on-deck or underdeck placement)
- Limited availability at some ports
- Equipment must be thoroughly protected against corrosion
Typical ocean freight rate: $4,500-$9,000 depending on route and dimensions
Open Top Container
An open top container has standard steel walls and a floor, but the roof is replaced with a removable tarpaulin or is left open entirely. Think of it as a middle ground between a standard HC and a flat rack.
Interior dimensions (40ft open top):
- Length: 39'5" (12.03 m)
- Width: 7'8" (2.35 m)
- Height: 7'10" (2.39 m) walls — but cargo can extend above
- Door opening: 7'6" x 7'6"
Maximum payload: 57,750 lbs (26,200 kg)
Best for:
- Equipment that fits within standard width but exceeds container height
- Machines that need to be loaded by crane from above
- Cargo that is slightly too tall for an HC but does not need a full flat rack
Pros:
- Top-loading capability — cranes can place equipment directly in
- Walls provide lateral protection
- Less expensive than a flat rack
- Better availability than flat racks at most ports
Cons:
- Top is exposed — tarps provide limited weather protection
- Still has width constraints (same as standard container)
- Slightly lower payload than a standard HC
- Less common than HC containers, so booking may require more lead time
Typical ocean freight rate: $3,500-$7,000 depending on route
Quick Comparison Table
- 40ft HC — Best rate, full protection, requires dismantling, payload 58,450 lbs
- Flat Rack — Highest rate, no size limits, no weather protection, payload 97,000 lbs
- Open Top — Mid-range rate, top-loading, partial protection, payload 57,750 lbs
How We Help You Choose
At Meridian Freight, we assess every machine before recommending a container type. We measure the equipment, calculate what needs to be dismantled, compare the cost of dismantling versus the premium for a flat rack, and give you a clear recommendation with pricing for each option.
Sometimes the answer is obvious — a 30-ton excavator ships on a flat rack, a compact tractor fits in an HC. But often, there is a cost-effective middle ground that requires experience to identify.
Get a free quote and we will recommend the best container option for your specific machinery and destination.