Two armored D7 bulldozers out on a mission in Ramadi, Iraq.
|Length||160 in (410 cm)|
|Width||97 in (250 cm)|
|Height||96 in (240 cm)|
|Weight||31,870 lb (14,460 kg)|
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- DP70 T20C-60001 and up 28620-up. This set includes these PDF manuals: - Cat Service Manual Chassis, Mast & Options DP60 And DP70 - 399 pages. This service manual is a guide for servicing Cat lift trucks. Cat Service Manual S6S Diesel Engine - 146 pages.
Here for sale is a rare to find 1938 Caterpillar D2 Diesel Crawler. This vintage Model 5J has 6,995 hours on the 4-cylinder diesel engine. The original hour meter works too (see pictures). The Clutches are very good and the undercarriage is in very good condition at 90-99%. It does not have.
The Caterpillar D7 is a medium track-type tractor manufactured by Caterpillar Inc. and most commonly used as a bulldozer.
The D7 was first manufactured in 1938. A series of improved models were later produced, including the D7C in 1955, the D7D in 1959, the 160 hp D7E in 1961, the 180 hp D7F in 1969 and the 200 hp D7G in 1974. In 1986 the 215 hp D7H was the first D7 equipped with Caterpillar’s elevated drive sprocket undercarriage. The D7R replaced the D7H in 1996, followed by the D7R Series 2. The electric drive D7E entered service in early 2009, returning to a traditional ‘flat-track’ configuration for this iteration only. The high-drive design returned in 2020 with the introduction of the D7 (forgoing a generational letter under Caterpillar’s new naming system).
In March 2008, at Conexpo 2008 held every 3 years in Las Vegas, Caterpillar introduced the D7E. This 235 hp D7E comes with an electric drive system powered by a 537cid C9.3 diesel engine. The C9.3 powers a generator that turns out electricity that supplies power to a pair of AC drive motors. Compared to the Caterpillar D7R Series II, the D7E was projected to deliver 25 percent more material moved per gallon of fuel, 10 percent greater productivity and 10 percent lower lifetime operating costs.
The D7R Series II at 240 hp power and an operating weight of around 20 tons, is in the middle of Caterpillar's track-type tractors, which range in size from the D3 57 kW (77 hp), 7 t (8 short tons), to the D11 698 kW (935 hp), 112 t (124 short tons). It is primarily used to move material short distances or through challenging terrain. The vehicle is powerful, yet small and light (16 to 20 t (18 to 23 short tons) depending on configuration). This makes it ideal for working on very steep slopes, in forests, and for backfilling pipelines safely without risking damage to the pipe.
An agricultural version without the blade and rippers is commonly used by farmers.
Specially modified D7E's fitted with Rome plows were used to clear forest in the Vietnam war.
The US Army used armored D7G to clear mine fields and unarmored D7G and D7H for earthworks. The armor was developed by the Israel Military Industries (IMI). Later, the US Army developed a remote controlled version of the D7G for mine-clearing applications.
The United States Marine Corps replaced its fleet of D7Gs with John Deere's 850J MCT in 2009.
The Egyptian Army operates an unknown number of armored D7R II.
The dozer blade on front of the tractor usually comes in 4 varieties:
- Straight ('S-Blade') which is short and has no lateral curve, no side wings, and can be used for fine grading.
- Angle: A type of blade, typically only 4' in height, that attaches to the dozers C-frame. The C-frame has 3 holes on each side where the blade will be manually pinned into, thus the angle blade has 3 set positions: right angle, left angle, and centered. Most commonly found in pipeline construction, due to the fact that an experienced operator can move and grade large quantities of material in a relatively short amount of time.
- Universal ('U-Blade') which is tall and very curved, and has large side wings to carry more material.
- 'S-U' combination blade which is shorter, has less curvature, and smaller side wings.
Various other blade types are used including landfill U-Blades, woodchip U-blades, and two-way blades for work inside the holds of ships.
In popular culture
A WW-II era Caterpillar D7 is the main antagonist in the novelette Killdozer! by Theodore Sturgeon. In the 1974 TV movie Killdozer! a D9 was used instead.
- G-numbers army tractors
- ^Rottman, Gordon L. (2 Apr 2008). The US Army in the Vietnam War 1965–73. Battle Orders 33. Osprey Publishing. p. 59. ISBN9781846032394.
|Wikimedia Commons has media related to Caterpillar D7.|
- Article on the Hybrid Dozer - D7E Field Evaluation
- Caterpillar D7E Track-Type Tractor - Official Caterpillar website
- Caterpillar D-Series Track-Type Tractors - Official Caterpillar website
Cat DP70 DP70N Forklift Diesel Engine Parts
15,000 Pound = 7 Ton (metric) = 7000 KG Pneumatic Tire Diesel Forklift
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Cat DP70 DP70N Engine Maintenance Parts: Fan Belts, Fan Blades, Water Pump Belts, Alternator Belts, Oil Filters, Fuel Filters, Air Filters, Temperature Switches, Temperature Sensors, Oil Pressure Switches, Oil Pressure Sensors, Shut-off Solenoids, Thermostats, Fuel Lines, Oil Lines, Gaskets, Seals, Bearings, Bushings, Glow Plugs, Radiator Hoses, Coolant Hoses, Water Coolant Pipe, Water Coolant Hose,
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Cat DP70 DP70N Connecting Rods: connecting rods, piston pin bushings, small end pin bushings, connecting rod bolts, connecting rod nuts,
Cat DP70 DP70N Crankshaft Parts: crankshaft,main bearings, thrust washers, main cap bolts, front crankshaft seal, rear crankshaft seal, crankshaft timing gear, crankshaft pulley, crankshaft bolts, crankshaft sleeves, crankshaft wear sleeve, flywheel bolts, torsional crankshaft damper, bolts for torsional crankshaft damper, harmonic balancer, bolts for harmonic balancer, new crankshafts,
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