How does a diesel forklift work?
A diesel forklift is a counterbalance forklift with a diesel engine: the load sits on the forks in front of the front axle and the counterweight at the rear keeps the machine balanced.
According to Hyundai, the 25D-9V and 30D-9V have a 2.2-litre HMC D4HB diesel engine (2,199 cc) with a turbocharger and an output of 47.8 kW. An oxidation catalyst and a particulate filter (DOC + DPF) clean the exhaust gases, and the engine meets the European Stage V emission standard. With a switch on the dashboard, the driver chooses between a low power mode with lower fuel consumption and more power.
Types of diesel forklift: from 2.5 to 30 tonnes
We rent out diesel forklifts in 15 lifting capacities: 2.5, 3, 3.5, 4, 4.5, 5, 7, 8, 10, 12, 13, 16, 18, 25 and 30 tonnes. When comparing, check the load centre in the datasheet: 500 mm for the 25D-9V and 30D-9V, 600 mm for the 40D-9VB, 45D-9VB and 70D-9V, and 1,200 mm for the 250D-9V.
| Machine | Lifting capacity | Turning radius | Working aisle width | Service weight | Energy consumption | Daily rate from |
|---|---|---|---|---|---|---|
| 2.5 ton diesel forklift | 2,500 kg | 2,352 mm | 4,220 mm | 3,871 kg | 2.7 litres per hour (VDI cycle) | €75 |
| Diesel forklift 3 tonnes | 3,000 kg | 2,427 mm | 4,295 mm | 4,300 kg | 3 litres per hour (VDI cycle) | €80 |
Technical data: VDI 2198 data sheets from Hyundai Material Handling (standard version). Daily rate excl. VAT; the current price is shown on the machine's page.
From 7 tonnes upwards these are heavy forklifts from the Hyundai Heavy Line. According to the datasheet, the 70D-9V (7 tonnes) weighs 10,145 kg and the 250D-9V (25 tonnes) 38,780 kg; the latter is 3,069 mm wide and has a turning radius of 5,830 mm. More about this class can be found under heavy forklifts from 7 to 30 tonnes.
How much fuel does a diesel forklift use?
According to the Hyundai datasheets, the 25D-9V (2.5 tonnes) uses 2.7 litres of diesel per hour in the VDI cycle, the 30D-9V (3 tonnes) 3.0 litres, the 40D-9VB (4 tonnes) 3.8 litres, the 45D-9VB (4.5 tonnes) 4.0 litres and the 70D-9V (7 tonnes) 4.2 litres.
The VDI 2198 guideline sets out how manufacturers present technical data uniformly in a type sheet, so that you can compare models. The values apply to the standard version; according to Hyundai, different tyres, masts or options give different values.
Can you use a diesel forklift indoors?
Only if there is sufficient clean air at the workplace: article 7.17c(7) of the Arbobesluit (Dutch Working Conditions Decree) requires this for every forklift with a combustion engine. Because diesel engine exhaust is carcinogenic, the Netherlands Labour Authority also says that as an employer you are obliged to replace the diesel engine if that is technically feasible.
If replacement is not possible, you record this in your risk assessment (RI&E) and take technical measures. According to the Labour Authority, a machine of 19 to 560 kW that meets the latest Stage standard or has a retrofit particulate filter has minimal emissions, but that does not release you from the obligation to replace. Since 1 July 2020 a legal limit value of 10 micrograms of diesel engine exhaust per cubic metre has applied, measured as respirable elemental carbon. As an alternative the Labour Authority mentions an LPG forklift, among others; the requirement for sufficient clean air applies to that too. More rules can be found under working safely with a forklift.
Diesel, LPG or electric forklift: which suits your work?
If you work indoors, an electric forklift from 1.5 to 18 tonnes is the alternative without a combustion engine; up to 5 tonnes you can also choose LPG. Above 18 tonnes we only rent out diesel forklifts.
| Drive | Lifting capacity in our range | Daily hire from | Indoors at the workplace |
|---|---|---|---|
| Diesel | 2.5 to 30 tonnes | €75 | Only with sufficient clean air; replace where technically feasible |
| LPG | 1.5 to 5 tonnes | €70 | Only with sufficient clean air |
| Electric | 1.5 to 18 tonnes | €75 | No combustion engine |
A more detailed comparison can be found in electric or diesel forklift hire and in diesel or LPG for outdoor work.
What does it cost to hire a diesel forklift?
You can hire a 2.5-tonne diesel forklift from €75 per day, excl. VAT. For hire periods of 3 months or more a monthly rate applies; from 4 tonnes the price is on request. For a few days or a week, see forklift rental per day.
Transport is listed separately in the quote. All diesel models with their current prices are listed under diesel forklift hire, and the rates for all our forklifts under forklift hire prices.
Questions about the diesel forklift
How high does a diesel forklift lift?
With the standard mast from the datasheet, the 25D-9V lifts to 3,305 mm; with a 3- or 4-stage mast it reaches more than 7 metres according to the Hyundai mast table. The higher the mast, the lower the lifting capacity: according to the mast table the 120D-9V lifts 12,000 kg, but 10,860 kg with a mast for a fork height of 7,005 mm.
How fast does a diesel forklift go?
According to the datasheet, the 25D-9V travels at 16.4 km/h laden and 17.7 km/h unladen, the 40D-9VB at 26.5 and 28.4 km/h. A maximum travel speed can be set in the instrument panel of the D-9V series.
Does a diesel forklift have a particulate filter?
The Hyundai 25D-9V and 30D-9V have one as standard (DPF), which regenerates automatically. In an area with a fire risk, the driver can postpone this regeneration, which releases hot exhaust gases, with a switch.
Sources: Arbobesluit (Dutch Working Conditions Decree), article 7.17c (use of mobile work equipment, paragraph 7 combustion engines) · Netherlands Labour Authority: Diesel engine exhaust (DME) · Netherlands Labour Authority: Frequently asked questions on DME · Arboportaal: What does the law say about diesel engine exhaust? · VDI 2198: Type sheets for industrial trucks (November 2019 edition) · Hyundai Material Handling: D-9V/DN-9V series 2.5 to 3.5 tonnes (brochure, datasheet and mast table 25D-9V and 30D-9V) · Hyundai Material Handling: D-9VB/D-9VC series 3.5 to 5 tonnes (technical specifications 40D-9VB and 45D-9VB) · Hyundai Material Handling: D-9V series 7 and 8 tonnes (brochure and datasheet 70D-9V) · Hyundai Material Handling: D-9V series 12 and 13 tonnes (brochure with mast table 120D-9V) · Hyundai Material Handling: D-9V/D-9VC series 25 and 30 tonnes (brochure and datasheet 250D-9V)
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