Kockums KL-420
| Kockums | |
|---|---|
 A Kockums KL-420 in a Swedish open-cast limestone mine in the 1970s
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| KL-420 | |
| Manufacturer: | Kockums |
| Sales designation: | KL-420 |
| Production period: | 1962-1974 |
| Previous model: | none |
| Successor: | none |
| Technical specifications | |
| Designs: | Dump truck |
| Engines: | Scania Vabis diesel engines |
| Payload: | 20 t |
The KL-420 is a large dump truck from the Swedish manufacturer Kockums , which was manufactured in the 1960s and early 1970s in the versions KL-420 and LT-2A. It is designed for the transport of large amounts of overburden in opencast mines and large construction sites with difficult conditions.
Development history
The KL-420 was developed at Kockums in Malmö . In 1962, Kockums first built four prototypes with the designation LT-18 . The series model was initially offered as LT-2A from 1963 and renamed KL-420 in 1965. The truck model was very successful internationally, with a total of 920 vehicles in the versions LT-2A and KL-420. The KL-420 was the basis for other dump truck models from the manufacturer.
technology
The rigid-frame dump truck is a two-axle front control arm with a 4 × 2 wheel formula with a tipper body. The rear axle has twin tires. The short wheelbase enables a turning radius of 7.3 m. The engine is a Scania Vabis DS diesel engine , the drive is diesel-mechanical . The transmission also came from Scania-Vabis. The rear axle was purchased from the USA for the first series models, and later it came from ZF . The one-man cabin sits to the left of the engine compartment above the left front wheel, the tipping skip can be moved from the horizontal to the tipping position with a hydraulic cylinder , a maximum of 20 tons can be transported.
- Overview of the technical data
| Kockums KL-420 | Kockum's LT-2A | |
|---|---|---|
| Empty mass | 15.7 t | 15 t |
| payload | 20 t | 18 t |
| Permissible total mass | 35.7 t | 33 t |
| engine | Scania-Vabis DS 11 | Scania-Vabis DS-10 |
| power | 180 kW (245 PS) | 162 kW (220 PS) |
| Top speed | 45 km / h | 45 km / h |
Individual evidence
- ↑ a b c Landskronaminnesbanken.se: Tipptruck Kockums KL-420 (Swedish)
- ↑ John Sinclair: Quarrying Opencast and Alluvial Mining. Springer Science & Business Media. 2012. p. 158.
- ↑ a b c Vuorimiesyhdistys - Bergsmannaforeningen ry. Vuosikertomus vuodelta 1967 (PDF file, Finnish)
- ↑ a b c Landskronaminnesbanken.se: Tipptruck Kockums LT-2a (Swedish)
- ↑ Volvoce: Rigid haulers - Kockum (English)