What is a stacker and who is it suitable for?
A stacker (also called an electric stacker) is a compact lifting machine designed for warehouses with narrow aisles and moderate lifting heights — typically between 1,600 mm and 5,500 mm. The operator walks behind the machine or stands on an integrated platform, and the mast lifts the pallet vertically without needing a massive counterweight.
HandlerKraft supplies the main line in this category: the HELI CDD series (1.2T–2.0T, lifting up to 5,400 mm) — with a CURTIS controller and electromagnetic brake.
Ideal user profile:
- Warehouse with a working aisle under 2.5 m
- Stacking height up to 4.5–5.4 m
- Loads of up to 2,000 kg
- Flat floor, indoors, without ramps or uneven surfaces
- Limited initial budget — a stacker costs 2–3× less than an equivalent electric forklift
What is an electric forklift and when does it become necessary?
A counterbalance electric forklift is the benchmark machine of industrial logistics. The operator sits in a cab, the machine has 3 or 4 wheels and a rear counterweight that allows it to lift heavy loads to great heights with maximum stability. The HandlerKraft range covers models from 1.5T to 3.5T with lifting heights of up to 7,000 mm.
Ideal user profile:
- Repetitive loads of 2T+ throughout the entire shift (8–10 hours)
- Stacking heights over 5 m
- Mixed surfaces: indoors and outdoors on paved ground
- Need for fast movement over long distances within the warehouse
- Handling non-standard pallets, asymmetric loads or bulky goods
Direct comparison: stacker vs electric forklift
| Criterion | Stacker | Electric forklift |
|---|---|---|
| Maximum capacity | up to 2,000 kg | up to 3,500 kg+ |
| Lifting height | up to 5,500 mm | up to 7,000 mm+ |
| Working aisle width | from 1,800 mm | from 2,800 mm |
| Travel speed | 4–6 km/h | 10–16 km/h |
| Operator comfort | Walk-behind / platform | Ergonomic cab |
| Purchase price | €3,500 – €9,000 | €14,000 – €35,000 |
| Maintenance cost per year | Low | Medium to high |
| Driving licence | Not mandatory | Required (with authorisation) |
| Outdoor use | No (flat floor) | Yes (hard paved ground) |
The advantages of the stacker that many people underestimate
The most common mistake we see in Moldovan warehouses is buying an electric forklift where a stacker would have solved the problem more efficiently and at a quarter of the cost. Here is why it is worth reconsidering:
- Small turning radius — HELI CDD models have a turning radius of 1,300–1,485 mm, which makes them ideal for drive-in racking or aisles of 1.8–2.2 m
- No special licence — the operator can be trained in a few hours, with no special procedures or external courses
- Suitable for ramps and goods lifts — the low weight (150–700 kg) allows use in lifts where a 3–4 tonne forklift would exceed the capacity
- Li-ion battery available — HELI CDD15J models with lithium charge in 2–3 hours and do not need a separate charging room
- Minimal maintenance — no complex hydraulic system, no transmission, no oil filter — the annual service cost is 60–70% lower than for a forklift
The limitations of the stacker — what it cannot do
Transparency is essential when choosing industrial equipment. A stacker is not the right solution if:
- You work on uneven surfaces, paved outdoor ground or ramps with a gradient over 5%
- You need to lift two pallets at once or use special attachments (clamp, rotator)
- The operator works in continuous cycles of 6–8 hours — physical fatigue is significant compared with a forklift cab
- The working height constantly exceeds 5 m — at great heights, the stability of a forklift with a Triplex mast is clearly superior
- The required capacity regularly exceeds 2T — pushing the load limit drastically shortens the service life of the equipment
Real scenarios from warehouses in Moldova and Romania
Based on the consultations provided to HandlerKraft customers in Chișinău, Iași and Cluj, we have identified three clear decision patterns:
Scenario 1 — Food warehouse with 4 m racking: area 800 m², aisle 2.2 m, loads of 800–1,200 kg, single shift. Recommendation: HELI CDD15J stacker. Reason: the aisles do not allow a counterbalance forklift, the working height is comfortable for a stacker, and the total cost of ownership over 5 years is 65% lower.
Scenario 2 — Logistics warehouse with 7 m racking: area 3,000 m², aisle 3.5 m, loads of 1,500–2,500 kg, two shifts. Recommendation: HELI electric forklift with a Triplex mast. Reason: the height exceeds the capability of a stacker, the workload justifies the investment, and the operator needs long-term comfort.
Scenario 3 — Mixed warehouse, indoors + yard: receiving goods from TIR trucks in the yard + indoor stacking up to 4 m. Recommendation: a combination — 1 diesel forklift for the outdoor yard + 1 electric stacker for indoors. This is the solution we propose most often to customers with mixed operations.
Total cost of ownership over 5 years: the full calculation
The purchase price accounts for only 40–50% of the real cost of industrial equipment over its service life. Here is a comparative estimate for a single-shift warehouse, 220 working days per year:
| Cost | Stacker (1.5T) | Electric forklift (1.5T) |
|---|---|---|
| Purchase | ~€5,500 | ~€18,000 |
| Battery / replacement (5 years) | ~€800 | ~€3,500 |
| Annual service × 5 | ~€1,500 | ~€6,000 |
| Wear parts (5 years) | ~€600 | ~€2,500 |
| Operator training | ~€0 | ~€400 |
| TOTAL 5 years | ~€8,400 | ~€30,400 |
The difference of €22,000 over 5 years is significant for any business. If the technical requirements of your operation allow you to use a stacker, the financial argument is overwhelming.
Conclusion: how to choose correctly in 3 steps
There is no universal answer — there is the right answer for your specific warehouse. Here is the decision process we recommend:
- Step 1 — Measure your working aisles. Under 2.5 m clear between racks: stacker. Over 3 m: an electric forklift is feasible.
- Step 2 — Define the maximum stacking height. Under 5 m and loads under 2T: a stacker fully covers your needs. Over 5 m or repetitive loads over 2T: electric forklift.
- Step 3 — Assess the intensity of use. Under 4 hours/day of active lifting: stacker. Intensive schedule, two shifts, long distances in the warehouse: electric forklift with a cab.
If you have any doubts or want a recommendation based on the exact specifications of your warehouse, the HandlerKraft team offers free consultancy — with no obligation to buy. Contact us on +373 22 788-907 or write to us at oferte@handlerkraft.md.
