Sisu GTP explained

Sisu GTP^[1]
Origin:	Finland
Type:	MRAP APC
Is Vehicle:	yes
Crew:	Variants: 2 (utility) 2+2, 2+3 (recon) 2+8 (APC)
Design Date:	2018
Manufacturer:	Sisu Auto
Production Date:	2018–present
Length:	6m (20feet)
Width:	2.5m (08.2feet)
Height:	2.55m (08.37feet)
Variants:	Common chassis with bolt-on body for missions^[2]
Weight:	16.5t
Armour:	STANAG 4569 Level 1^[3]
Engine:	Mercedes-Benz OM926, 6-cylinder diesel
Engine Power:	308 hp (230 kW)
Suspension:	Independent suspension, lockable differentials
Depth:	1.2m (03.9feet) (fording depth)
Speed:	>100km/h (land) 12km/h (water)
Pw Ratio:	22 hp/tonne
Transmission:	Allison 3500, 6-speed automatic ZF VG750 transfer case
Payload Capacity:	5t
Clearance:	0.4m (01.3feet)
Vehicle Range:	Over 700 km

The Sisu GTP is a Finnish made four-wheeled, modular mine-resistant ambush protected armoured personnel carrier (APC) designed and built by Sisu Auto. The first version was produced in 2018.^[4]

In June 2020, the Finnish Defense Forces ordered six vehicles for testing.^[5] In December 2022, the Finnish Defence Forces ordered 25 vehicles more. They will replace RG-32M in Finnish service.^[6]

Design

The vehicle has a chassis base with mission modules that can be changed.

It uses Texelis T700 axles with independent suspensions.^[7] ^[8]

Framework agreement FISE

Through the framework agreement between Finland and Sweden for defence cooperation, over 260 vehicles are planned to be produced. It includes troop transport variants, air-defence, command and control, medical care, single cab transport variants and CBRN reconnaissance.^[9]

Operators

Current operators

Finland

List of firm orders:

6 ordered for trials in June 2020.^[10] ^[11]

25 serial production vehicles ordered at the end of 2022.

13 ordered in December 2023 for €9.7 million. The variants purchased are:

- 9 APC

- 4 in general purpose variant.

Sweden

A small unknown number ordered as CBRN reconnaissance and indication vehicle, more likely to come.^[12] It is designed as Tgb24 in the Swedish Army. The first delivery took place in August 2024.^[13]

Failed bids

Latvia

Sisu GTP was evaluated against AM General HMMWV, Otokar Cobra and Paramount Marauder in 2018^[14] and selected as winner in a tender to supply armored vehicles for Latvian armed forces.^[15] The deal, worth about 200 million euros, was canceled in 2019 after AM General and Paramount Group complained about the procurement procedure.^[16]

Notes and References

Web site: GTP 4×4.
Web site: GTP 4×4.
Web site: SISU GTP 4×4 General Purpose Vehicle.
Web site: Sisu GTP:t lähtivät Latviaan . KuljetusNet.fi . 6 April 2018 . 11 July 2024 .
Web site: Maavoimat hankkii testikäyttöön panssaroituja SISU GTP 4x4 -maastoajoneuvoja . 2020-06-09 .
Web site: Puolustusvoimat saa lisää Sisun monikäyttöajoneuvoja: "Taustalla myös huoltovarmuus". 19 December 2022. Ilta-Sanomat.
Web site: SISU 4x4 includes Texelis axles Shephard . 2023-12-29 . www.shephardmedia.com . en.
https://www.militarysystems-tech.com/sites/militarysystems/files/supplier_docs/Texelis%20T700%20datasheet.pdf
Web site: Valpolini . Paolo . 2024-08-15 . FMV has received new troop transport vehicles . 2024-08-16 . EDR Magazine . en-GB.
https://www.defmin.fi/ajankohtaista/tiedotteet_ja_uutiset/puolustusvoimille_hankitaan_kotimaisia_maastoajoneuvoja.14076.news
Web site: 2024-01-08 . Update: Finland orders more Sisu GTP 4×4 off-road vehicles . 2024-08-16 . Default . en.
Web site: CBRN-skolan . 2024-03-12 . Försvarsmakten äntligen få nya CBRN indikeringsfordon! . 2023-03-20 . Twitter.
Web site: Valpolini . Paolo . 2024-08-15 . FMV has received new troop transport vehicles . 2024-08-16 . EDR Magazine . en-GB.
https://eng.lsm.lv/article/society/defense/four-companies-fighting-for-four-by-four-contract.a288275/
https://eng.lsm.lv/article/society/defense/finnish-company-wins-200-million-tender-to-supply-armored-vehicles-to-latvia.a303283/
https://eng.lsm.lv/article/society/defense/watchdog-stops-latvian-defense-ministry-buying-200m-worth-of-4x4-vehicles.a306388/