Oklopni Buldožeri

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Jedan sa dalekog istoka iz Japana
Type 75
Armored dozer

The Type 75 armored bulldozer is intended for grading, digging and earthmoving operations
Entered service 1975
Crew 2 men
Dimensions and weight
Weight 19.2 t
Length 6.84 m
Width (traveling) 2.7 m
Width (working) 3.45 m
Height 2.79 m
Performance
Earth working capacity ?
Mobility
Engine diesel
Engine power 345 / 160 hp
Maximum road speed 45 km/h
Range ?
Maneuverability
Gradient 60%
Side slope 30%
Vertical step ~ 0.5 m
Trench ~ 1.8 m
Fording 1 m
The Type 75 armored dozer was developed to meet requirements of the Japanese Ground Self-Defense Force. Development commenced in 1964. Two prototypes were completed by Komatsu in 1972. In 1975 after extensive trials this armored dozer was accepted to service. It's production is now complete but no replacement for this vehicle has been announced. Like all Japanese weapons this combat vehicle was never offered for export.

This military engineering vehicle is intended for ground work, such as grading, digging and earthmoving operations. It can push large quantity of soil, sand or rubble. It can be also used to clear areas of obstacles and remains of structures.


The dozer blade is operated hydraulically. It is controlled by the driver. In traveling order the dozer blade is to the rear.

The Type 75 can carry out over 90% of the tasks of the Caterpillar D6 medium dozer, but is armored and has a much higher road speed. It enables it to keep pace with the convoy elements.

Armor of this vehicle provides protection against small arms fire and artillery shell splinters. This engineering vehicle can operate in battle zones.

This engineering vehicle carries no defensive armament.

The Type 75 has a crew of two, including driver and commander. Occupants enter and leave the vehicle via door on the right side, or roof hatches.

The Type 75 armored bulldozer is powered by a turbocharged diesel engine. It develops 345 hp in traveling mode and 160 hp in the dozing mode. Engine compartment is protected by armor plates. During peacetime operation these armor plates are removed. A self-recovery winch can be fitted.

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Caterpillar D7R
Bulldozer


The Caterpillar D7R bulldozer is a commercial design, modified to suit military needs
Country of origin United States
Entered service 1996
Crew 1 men
Dimensions and weight
Weight 27 t
Length ~ 6.9 m
Width ~ 3.7 m
Height ~ 3.4 m
Performance
Earth working capacity ?
Towed load 35 ~ 40 t
Mobility
Engine Caterpillar diesel
Engine power (D7R Series II) 240 hp
Maximum road speed ~ 15 km/h
The Caterpillar D7R is a commercial bulldozer, that is widely used by the US military. This machine was designed and built in the United States. It follows the line of the Caterpillar D7 series bulldozers, that first appeared in 1938 and with constant improvements are produced ever since. These bulldozers are used by all branches of the US military. The Caterpillar D7R medium bulldozer was introduced in 1996. In the mid 2000s it was replaced in production by improved D7R Series II. These replaced in US service the older D7G and D7H bulldozers. Currently Caterpillar military products are offered by a subsidiary Caterpillar Defense & Federal Products company.

The Caterpillar does not manufacture any special militarized version of the D7R bulldozer. However after some modifications this earthmoving machine is employed for military applications. Modifications include transport provisions, blackout lights, military paint, keyless ignition and so on.

The D7R has an elevated sprocket undercarriage, that is more durable and efficient during earthmoving. Such undercarriage was present on the previous D7H model. Due to its elevated nature the operator's station provides excellent observation of the blade and rear of the machine. Operational weight of the dozer is 27 t. The improved D7R weights 25 t.

Main role of the Caterpillar D7R bulldozer is earthmoving. It is used for construction of defensive positions, anti-tank ditches, construction of obstacles, obstacle clearing, route opening, demolition of structures, and recovery of stuck combat vehicles. Once fitted with an armored cab and special mine flail, the D7R can even clear minefields.

This bulldozer is equipped with a detachable blade. Various blades can be fitted. The most common is a universal blade with side wings, which allows to carry more material. Also there are straight blades without side wings for fine grading, angle blades, two-way blades and so on. The D7R dozers are often fitted with a rear-mounted rake attachment.


The D7R dozer can also perform recovery and towing operations. It can tow combat vehicles with a maximum weight of around 35-40 t.
For operation in hostile or combat areas, the Caterpillar D7R dozers can be fitted with armored cabs. These add-on cabs are mounted on vehicle's frame and require no modifications to the vehicle structure. The armored cab provides protection from small arms fire, artillery shell splinters and mine blasts. Some dozers even have armored engine compartments. Additional armor reportedly has no effect on the overall earthworking performance.

The D7 dozer is operated by a single operator. This machine carries no defensive armament. Even versions with armored cabs are normally unarmed.

This earthmoving machine is powered by a Caterpillar diesel engine. The improved D7R Series II dozer is powered by a 258 hp engine, that had 240 hp power at the flywheel. Due to its low mobility the D7R bulldozer must be transported on trailer between mission sites.

In the US military service a couple of Caterpillar D7R bulldozers are typically assigned to combat engineer companies.

The D7R is in the middle of the Caterpillar's bulldozer range. The smallest are D3 dozers, while the largest are D11 series dozers.

Variants



Caterpillar D7R Series II is an improved version produced since the mid 2000s. It is the latest model used by the US military. It is powered by a 240 hp engine and weights around 25 t. Armored versions of this dozer are used by Egypt.

Caterpillar D7E was first introduced in 2008 and replaced in production the previous D7R Series 2 in 2009. It is a current production version, proposed to commercial operators. This machine has electric drive system. The dozer has a 240 hp engine, which powers a pair electric drive motors. Compared to the previous D7R Series II it is 25% more fuel efficient.

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Izraelci opremaju svoje buldozere D-9 sa Iron Fist
Elbit's Iron Fist wins $250m Israel Defense Ministry deal
Citat:Israeli defense electronics company Elbit Systems Ltd. (Nasdaq: ESLT; TASE: ESLT) has triumphed over local rival Rafael Advanced Defense Systems Ltd. in a tender to supply protective systems for the new Eitan armored fighting vehicle (AFV) and for D-9 IDF bulldozers to the Ministry of Defense. In the recently completed tender, the Ministry of Defense directorate of procurement and production selected the Iron Fist system developed by Elbit Systems Land Systems-IMI. Defense market sources estimated the volume of work to be ordered from Elbit Systems at $250 million over a decade.
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Izraelci

Citat:Israel armored dozer with MAJIC-1 add-on self-defence jammer which will divert wire guided ATGM off its target and E-LAWS which will Detects, categorizes and pinpoints laser sources such as rangefinders, designators, beam riders, infrared and illuminators.

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Haiti

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Rusi


Citat:Russian T-23 dozer somewhere in Ukraine.

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Citat:Philippine Army will be getting Cukurova Defence's 4X4X4 fast armored backhoe loader from Turkey as part of Combat Engineering Equipment Lot 8 Acquisition Project. NOA has been released on 29 Dec 2022, awaiting for contract signing between DND & Cukurova, and NTP release.

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Na slici je turska kombinirka (žargonski naziv među građevincima), koju su izradili kopiranjem JCB4X.
Oklopni sklopovi malo izmenili izgled ali ispod je to ta mašina širokih upotrebnih mogućnosti.

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Беше у инж. батаљону 2. бригаде?