Engine, Transmission & Heavy Driveline Component Storage
Cantilever racks, wide-span shelving and cradle storage for engines, transmissions, transfer cases, differentials and other heavy driveline components — sized to the load, not stacked on a shelf built for boxes.
Weight decides the system
Long or irregular engine and driveline components are the textbook case for cantilever rather than shelf storage
Contact damage is the top failure
Machined surfaces and mating faces are damaged more often by careless storage than by handling
A cradle prevents rolling
Round or asymmetric components like engine blocks need a rack designed to keep them from shifting
It is its own zone
Engine and driveline storage needs different bays than boxed parts and small components
Why engines and drivelines outgrow standard parts shelving
Most parts room shelving is designed around boxes, bins and cartons: consistent shapes, moderate weight, even load distribution. Engines, transmissions, transfer cases, differentials, driveshafts and machined subassemblies break every one of those assumptions. They are heavy, irregularly shaped, expensive to replace if damaged, and often long enough that a standard shelf span cannot support them without sagging or overhang.
The result, in a lot of dealership, fleet and machine shop back rooms, is engines parked on pallets on the floor, transmissions stacked with no separation between mating surfaces, and long shafts leaned against a wall because nothing was built to hold their length. That is a damage and a safety problem at the same time — components can roll, shift, or crush what is stored beneath them.
This page covers storage systems built for that load class, inside the broader automotive parts storage systems plan for a shop, dealership or distributor. It complements our parts room shelving page, which covers the boltless and wide-span systems used for the rest of the parts inventory around these heavier components.
Matching the rack type to the component
There is no single shelving answer for this category — the right system depends on shape, length and whether the component sits on a pallet or has to rest directly on arms or a cradle.
| Component type | Typical storage challenge | Rack family that fits |
|---|---|---|
| Long shafts, exhaust and driveline tubing, axle housings | Length exceeds standard shelf spans; components can roll or need support at multiple points along their length. | Cantilever racking — arms extending from a column with no front obstruction, sized and spaced for the load. The RMI/ANSI MH16.3 cantilever rack standard covers the design, testing and utilization criteria for racks carrying long, bulky or irregular loads on load arms from freestanding columns. |
| Engine blocks and short blocks, cylinder heads | Round or irregular shape wants to roll or tip; machined mating surfaces are vulnerable to point-contact damage. | Purpose-built engine stands, cradles or A-frame style storage racks that support the block at designed contact points, keep it off the floor, and prevent lateral movement. Component orientation and support points should follow the engine manufacturer’s or rebuild shop’s handling guidance. |
| Transmissions, transfer cases, differentials | Heavy, dense units with vulnerable input/output shafts and mating faces; often stored temporarily during core exchange or rebuild. | Wide-span or standard pallet racking once units are crated, on skids, or in purpose-built stands; bolt bins or divided shelving for the small parts — covers, pans, seals — that come off during teardown. |
| Machined and finished subassemblies (heads, manifolds, housings) | Any two finished surfaces touching in transit or storage risk scratching or corrosion. | Racks or bins that keep individual components separated rather than stacked directly on one another, following the general principle used in engine-component storage guidance from equipment manufacturers: parts should not be allowed to contact and damage each other on the rack. |
Load ratings are engineering, not habit
Cantilever arm and column capacities, wide-span beam capacities and any cradle or stand load rating are set by the rack manufacturer’s engineering for a specific configuration. Confirm the rated capacity for your actual load and spacing before loading a system — do not assume a rating from a different rack or a different span.
Cantilever racking for long and irregular loads
Cantilever racking is the system most associated with long, awkward loads for a reason: arms extend from a single column line with nothing in front of the load, so length is not limited by a fixed shelf span the way it is on boltless or wide-span shelving. That makes it the natural fit for driveshafts, axle housings, long exhaust components and bar-stock style inventory that a standard parts shelf cannot support cleanly.
- Design and rate to the standard. The RMI/ANSI MH16.3 cantilever rack standard sets out the
design, testing and utilization requirements for these racks — use it as the reference point when
specifying arm length, spacing and capacity with your rack supplier, rather than working from a general steel
rack rating. - Space arms to the load, not the aisle. Arm spacing should match where the component is
actually supported along its length; long shafts sagging between widely spaced arms is a support-point problem,
not a capacity problem. - Keep loads secure against movement. OSHA’s general storage requirement, 29 CFR 1910.176(b),
requires stored material to be stacked, blocked and limited in height so it stays stable and secure against
sliding or collapse — a direct concern with round or cylindrical stock that can roll off an arm. - Separate by turnover. Fast-moving service exchange components belong near the receiving and
staging area covered on our parts receiving and put-away storage page; slow-moving or
specialty long components can sit deeper in the cantilever run.
Handling and layout considerations that protect the components
Specifying cantilever or heavy-component storage?
MH-USA specs and installs cantilever racking, wide-span shelving and heavy-component storage for dealerships, fleets, distributors and machine shops across Utah, Idaho, Nevada and the Mountain West.
Planning the storage bay before you buy the rack
Getting engine and driveline storage right starts before a rack is specified. The questions below decide which system is actually the right fit — skipping them is how shops end up with cantilever arms too short for the load or wide-span shelving that cannot take the weight.
Inventory the actual components, not a category
List the specific engines, transmissions, transfer cases, differentials and long components you store by weight, length and shape rather than assuming one rack type covers “driveline parts” as a category.
Separate exchange-program units from long-term stock
Core-exchange engines and transmissions that turn over in days need fast, accessible staging near receiving; long-term or specialty units can sit deeper in the storage bay.
Confirm floor loading and aisle widths
Cantilever and pallet-style racking loaded with heavy components concentrates weight differently than boxed-parts shelving; confirm the floor and aisle clearances support the loaded rack and the equipment used to load it.
Match support points to the component, not the rack
Work from the engine or driveline component’s own support and lifting points — not a generic rack layout — when specifying cradle or arm spacing.
Plan for growth in cube, not just floor footprint
A mezzanine level or taller cantilever bay can multiply capacity in the same footprint; decide early whether vertical expansion is part of the plan so the base rack is specified to support it.
Get the load rating in writing for your configuration
Ask your rack supplier to confirm the rated capacity for your specific arm length, spacing, column height and component weight before the rack goes in service, not after.
Tear-down benches for engine and transmission work
Racking stores the core, the long block or the transmission case, but the work happens on a bench. A tear-down bench (also called a transmission teardown table) is built for one job: holding a dirty, heavy assembly while it is taken apart, and catching the oil and coolant that come out of it. If your storage plan stops at the rack, technicians end up stripping components on the floor or on a general workbench that was never meant to hold fluid.
What separates a tear-down bench from a workbench
The features that matter are a contained top and a way to drain it. Our partner Shure Manufacturing lists a raised 1/2-inch lip on all four sides of its oversized tear-down benches, a 3-gallon drain pan under the top, a storage drawer with an optional lock and four heavy-duty locking swivel casters so the bench can be rolled to the lift and back. Legs are all-welded and adjust from 29 to 41 inches, which lets one bench suit a tall technician working standing up and a shorter one doing detail work on a seat.
Photo: Shure Manufacturing
Sizes and tops
Shure lists the oversized tear-down bench at 60 x 32 inches in two versions: a painted steel top (model 811098) and a stainless-steel top (model 811150) for shops that want a surface that cleans up faster and resists solvents. For transmissions and longer drivelines, its Trans Max bench (811101 stationary, 811102 portable) has a sloped six-foot work surface with a full-length trough and drain pipe. Forum threads on teardown tables keep making the same complaint, that a typical commercial bench is too short for an axle, so match bench length to the longest assembly you tear down, not the average one.
Photo: Shure Manufacturing
Where the bench goes in relation to the racks
| Decision | What to plan | Why it matters |
|---|---|---|
| Bench length | 60 in for engines and small gearboxes; about 70 in sloped top for transmissions | Stops parts from hanging off the edge mid-teardown |
| Mobile or fixed | Locking casters if the bench travels to the lift; fixed legs for a dedicated rebuild room | Mobile benches cut walking, while fixed benches stay level |
| Fluid handling | Lip plus drain pan, or a trough with drain pipe | Keeps oil off the floor and out of floor drains |
| Distance to storage | Keep the bench within a short roll of the cantilever or pallet rack holding cores | Cuts lifts with the engine hoist |
| Top material | Painted steel for general work; stainless for solvents and wash-down | Affects cleanup time and how long the top lasts |
Shure tear-down and heavy-duty bench specifications
These sizes and features come from Shure’s current Total Automotive Solutions catalog. Shure lists all dimensions as approximate.
| Model | Bench | Size (W x D) | Key features |
|---|---|---|---|
| 800023 | Tear Down Bench | 48 x 32 in, height adjusts 29–41 in | Reinforced steel top with 1/2 in lip, 3 gal drain pan, storage drawer, 4 locking swivel casters |
| 811098 | Oversized Tear Down Bench | 60 x 32 in, height adjusts 29–41 in | Same features as 800023 on a longer top |
| 811101 | Trans Max Bench, stationary | 70-1/2 x 34 in, height adjusts 29–41 in | Sloped work surface, full-length trough with drain pipe |
| 811102 | Trans Max Bench, portable | 70-1/2 x 34 in, height adjusts 29–41 in | As 811101, plus 4 heavy-duty locking swivel casters |
| 800330 | Heavy-Duty Workbench, stationary | 70-1/2 x 34 x 34 in H | All-welded 14 ga steel, full-width lower shelf |
| 800331 | Heavy-Duty Workbench, portable | 70-1/2 x 34 x 34 in H | As 800330, plus 2 locking swivel and 2 rigid casters |
| 800333 | Heavy-Duty Tear Down Bench, stationary | 70-1/2 x 34 x 34 in H | Sloped top, full-length trough with drain pipe, lower shelf |
Options: stainless steel top inserts (900744 for the Tear Down Bench, 900747 for the Oversized bench, 900804 for Trans Max benches) and lower shelves (800238, 800239, 800240 in the same order). Heavy-duty benches come with a painted steel top as standard. A stainless top costs extra, and you can add a single stacking drawer (670196HD). Shure’s catalog does not list the 811150 stainless-top oversized bench, so ask us for it by name.
Shure reports that its products are made in the USA and carry a lifetime warranty. We quote tear-down benches alongside the rack layout, so bench locations, aisle widths and hoist paths are planned together. For the tool side of the service bay, see our guide to dealership service department tool storage, or compare general-duty industrial workbenches.
Shop Workbenches Online
Steel workbenches and work centers from our online store for rebuild rooms and parts-prep areas. For tear-down benches with drain pans or troughs, we price them together with your rack layout.
Request pricing for tear-down benches, volume orders and freight-rated delivery. Call (800) 326-4403.
Get a free quote
Tell us what you are storing, the room size and your timeline. A project specialist will follow up with layout options and pricing. Prefer to talk? Call (800) 326-4403.
What is the best rack type for storing engines and transmissions?
Can engines be stored directly on standard parts shelving?
What standard governs cantilever rack design?
How do you prevent damage to machined surfaces during storage?
What load rating applies to a cantilever arm holding driveline stock?
Where should small hardware removed during teardown be stored?
Does OSHA regulate how heavy components like engines are stored?
Get cantilever and heavy-component storage sized to your inventory
Send us your engine, transmission and driveline component list and dimensions. MH-USA will spec cantilever racking, wide-span shelving and cradle systems rated for the load and lay out the storage bay.