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excessive problems in transmission design; gearbox and reduction gear had to be relocated. A long drive shaft between them had to be substituted by a structurally challenging gear socket system which enabled a shorter distance. Another requirement, replacing the petrol engine by a diesel engine, also caused problems. The original platform fastening system had to be redesigned due to a too small payload. When the final prototype was ready the
Defence Forces were satisfied with the result.
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The good off-road capability is carried out by a torsionally bending frame structure and middle located engine which enable an even wheel load even in rough terrain. One of the wheels can be jacked up by one metre the rest three still touching the ground. During the validation tests, the vehicle was
249:
KB-45 was developed for the use of light infantry battalions of the
Finnish Defence Forces. The project coordinator was Senior Engineer Uoti Hartikainen. The first prototype was built by SAT Testing Department in Fleming Street, Helsinki in March 1964. It was the very last Sisu powered by SAT's own
265:
After the first prototype was finished the
Defence Forces suddenly changed the specifications; the wheelbase had to be shortened by 30 cm. The decision was based on the Defence Forces' measuring results of average distances between trees in the Finnish forests. The new requirement lead to
301:
The 5-speed transmission is fully synchronised. The vehicle is also equipped with a two-speed reduction gear. Both axles are driven and equipped with lockable differentials. The suspension consists of longitudinally mounted leaf springs and two-way acting telescopic shock absorbers.
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The vehicle frame is twisting type enabling of each wheel touching the ground also in rough terrain. The glass fibre and steel made cabin is fastened on the frame from three points and the 4.28-metre long platform, on which is space for 25 people, from four points.
274:
The first 18 vehicles were handed over to the
Defence Forces in August 1965. Their primary use was pulling of howitzers and anti-aircraft cannons. The Defence Forces got in total 83 KB-45's of which two were fire engines. The successor of KB-45,
279:, was very similar. The biggest difference was in transmission as the Kirkstall axles were substituted by Sisu's own products. At the same time the production was moved from Karis to Hämeenlinna, the former
483:
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Payload is 2,300 kg in terrain and 4,000 kg on road. The front overhang is 1,300 mm and rear overhang 1,000 mm. The turning radius is 7.6 metres and top speed 90 km/h.
298:
KB-45 is powered by a
Leyland in-line diesel engine with a maximum output of 135 hp. The usable revolution area is 1000–2400 1/min. The fuel tank capacity is 226 litres.
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hydraulic system for a hydraulically driven trailer which improved significantly the off-road capability of the combination. The system was marketed with name
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233:(SAT) in 1965–1970. The two-axle, all-wheel-drive vehicle with payload of 4,000 kg was developed after an assignment of the
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driven up 60% steep hills and it could also withstand a 45% side slope without falling.
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The reconnaissance winch capacity is 6 tonnes and it is equipped with a torque limiter.
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The KB-45 models have been substituted in
Finnish army by 2008 presented
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Uoti
Hartikainen, Pentti E. Lehtinen, Armas Tuominen and Nils Fagerstedt
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Suomalaista Sisua vuodesta 1931 – Monialaosaajasta kuorma-autotehtaaksi
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364:(in Finnish). Karis: Oy Sisu Auto Ab. pp. 103, 135–137, 304.
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400:(in Finnish). Hämeenlinna: Patria Vehicles Oy. pp. 123–124.
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484:"Armeija marssii vatsallaan…tai vaihtoehtoisesti Sisulla"
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factory which was merged with SAT in beginning of 1969.
444:(14/1965). Kustannusosakeyhtiö Tekniikan Maailma: 30.
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Oksala, Kalle (1965). "Maastoajoa suomalaisittain".
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462:(in Finnish). Tampere: Apali Oy. pp. 99–101.
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156:manual, synchronised 5+1; two-step reduction gear
250:type AMI petrol engine. The axles were made by
398:Yhteissisusta Vanajan ja Sisun kautta Patriaan
254:. The vehicle was nicknamed at an early stage
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460:Puolustusvoimien moottoriajoneuvot 1960–2000
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486:. SL-Mediat Oy. 2009-06-12. Archived from
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909:Military vehicles introduced in the 1960s
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312:Some of the KB-45's were equipped with
237:. It was followed by almost identical
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197:4,800 kg (10,582 lb)
1:
777:(tracked articulated vehicle)
179:5,700 mm (224.4 in)
171:3,400 mm (133.9 in)
187:2,350 mm (92.5 in)
914:Vehicles introduced in 1965
458:Mäkipirtti, Markku (2006).
45:Oy Suomen Autoteollisuus Ab
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904:Military trucks of Finland
842:Autoteollisuus-Bilindustri
870:
258:, which was derived from
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396:Blomberg, Olli (2003).
360:Blomberg, Olli (2006).
229:heavy vehicle producer
235:Finnish Defence Forces
857:Sisu Terminal Systems
231:Suomen Autoteollisuus
881:at Wikimedia Commons
520:at Wikimedia Commons
862:Vanajan Autotehdas
806:Lars Wilhelm Ă…berg
783:(demining vehicle)
270:Production and use
138:, max. output 135
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877:Media related to
830:Related companies
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469:978-952-5026-50-4
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51:Also called
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211:Sisu A-45/AH-45
110:Body style
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811:Erik Gillberg
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492:. Retrieved
488:the original
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225:made by the
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152:Transmission
54:"Proto-Sisu"
41:Manufacturer
899:Sisu trucks
260:prototyyppi
245:Development
221:is a light
893:Categories
852:Sisu Axles
660:Karia HM V
518:Sisu KB-45
494:2012-12-02
336:References
318:Two-In-One
288:Sisu A2045
277:A-45/AH-45
239:A-45/AH-45
219:Sisu KB-45
202:Chronology
161:Dimensions
119:Powertrain
59:Production
22:Sisu KB-45
879:Sisu Auto
781:RA-140 DS
555:Sisu Auto
314:Sisu Nemo
290:lorries.
252:Kirkstall
241:in 1970.
207:Successor
167:Wheelbase
62:1965–1970
706:variants
680:Military
569:Civilian
562:Vehicles
82:Designer
67:Assembly
36:Overview
668:(motor)
227:Finnish
133:in-line
130:Leyland
75:Finland
759:SA-240
754:SA-150
749:SA-110
717:Trucks
662:(tram)
619:KB-124
614:KB-112
609:K-50SS
597:Trucks
466:
404:
368:
281:Vanaja
176:Length
136:diesel
125:Engine
101:light
768:Other
744:KB-46
739:KB-45
734:E13TP
724:A2045
653:Other
639:R-141
634:Polar
629:M-161
624:KB-24
583:S-321
576:Buses
256:Proto
184:Width
97:Class
71:Karis
775:Nasu
729:A-45
701:Pasi
688:APCs
666:Nemo
644:S-21
604:K-44
464:ISBN
402:ISBN
366:ISBN
696:GTP
588:SWS
144:SAE
895::
450:^
416:^
380:^
344:^
320:.
140:hp
73:,
547:e
540:t
533:v
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472:.
410:.
374:.
146:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
