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Military transport & logisticsIn service
1 1/4–ton cargo truck
K311 cargo truck is a 1 1/4–ton cargo truck originating in South Korea. It was built by Asia Motors (1980–1999) Kia Motors (1999–present) MIC Sudan Bogdan Corporation (2015–2021) Wad Youngsan Industries (2016–present) ISEVEM (2025–present).
South Korea1 1/4–ton cargo truck
South Korea
K311: 1980–present K311A1: 2003–present
See Operators
Iraq War Moro conflict New People's Army rebellion Civil conflict in the Philippines Mali War Russo-Ukrainian War 2023 Nigerien coup d'état 2023 Nigerien crisis
1980
Asia Motors (1980–1999) Kia Motors (1999–present) MIC Sudan Bogdan Corporation (2015–2021) Wad Youngsan Industries (2016–present) ISEVEM (2025–present)
60 million KRW (2016)
K311 (1980–2003) K311A1 (2003–present)
3,150 kg (curb)
5.46 m
2.18 m
2.45 m
2 + 12 passengers
K311: Kia / Mazda ZB 6-cylinder water-cooled diesel engine 115 hp K311A1: Hyundai / Mitsubishi Fuso D4DA in-line 4-cylinder diesel engine 130 hp @ 2,900 rpm KM450: Hyundai / Mitsubishi Fuso D4DA/D4DD in-line 4-cylinder diesel engine 130/139 hp @ 2,900 rpm
K311: 1,150 kg K311A1: 1,530 kg (paved) or 1,330 kg (unpaved) KM450: 2,500 kg (paved)
Allison Transmission 5-speed manual & 2-speed part time transfer case
longitudinal slope: 60 % lateral slope: 30 % ground clearance: 0.254 m fording: 0.76 m
K311: 450 km K311A1: 700 km KM450: 750 km
K311: 96 km/h K311A1: 100 km/h KM450: 104 km/h
Kia Corp K311A1 is the specification from 2003, and KM450 is an updated specification from unknown year.
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 29 Sept 2026 | 5.46 m | Wikipedia contributors | superseded |
K311 cargo truck equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
BruneiNumber column of the Wikipedia list table under "Transport vehicles". The list's own wording applies; it is a compiled secondary source, not an official census.
South KoreaReported count for K311 K301 K312 K313 K314 K315 K316 K317 K318 K319 Box car. Service scope: Republic of Korea Army; does not replace a national total. 1 distinct count cell(s) from the same source list; shared rowspan cells counted once. Retired, wholly reserve and on-order rows are excluded; the reported count retains any explicitly mixed stock scope in the quoted row. Count column(s): quantity: 13,170. Origin: South Korea. The listed variants/roles are the scope, not an immediately deployable count. The components do not establish one inventory census date; the stored date is the retrieved source snapshot.
Thailand