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These are driven using the skill Operate Heavy Machinery, although Drive Truck can be used with a penalty .
medium bulldozer
Tracked vehicle, sometimes with an earthmoving blade, seat for driver only. 35 to 50 HP gasoline, diesel, methanol or ethanol engine. The vehicle can climb a 50% grade. Fuel tankage of 20 liters of gasoline is sufficient for 10 kilometers of range. Length 3.76 meters (without blade), width 1.8 meters, weight about 5.5 tons.
large bulldozer
Tracked vehicle, bench seat for driver and maybe a passenger (if they're good friends), with a rollover cage, hydraulic dozer blade, and winch. Engine 110 to 220 HP diesel (various 6 cylinder or V8 engines); power take-off shaft is fitted. The vehicle can climb a 50% grade, top speed is 13 kph, usual working speed about 4 kph, drawbar pull at 3 kph is about 10 tons. Fuel tankage of 227 liters of diesel is sufficient for 7 hours of operation; larger tank is 435 or 480 liters. The engine contains about 27 liters of lube oil, plus over 200 liters of various oils and fluids in the hydraulic and powertrain systems. Length 4.5 to 6.5 meters including normal blade, length of track on ground 2.7 to 3 meters, width 2.5 to 2.6 meters over tracks (standard blade is about 3.7 meters wide), height to top of rollover cab 3.5 meters, weight about 17 - 23 tons.
D7G bulldozer
note this image doesn't include the enclosed, armored cab
A diesel-powered medium bulldozer. The first of the series were built during World War II. There is a dozer blade on front, and the back end can be fitted with a drawbar, winch (30 tons pull, 30 meters per minute, 50 meters of 28mm diameter cable), or rippers; all of these attachments are hydraulic powered. The fully-enclosed cab has rollover bars, air conditioning (probably not working by the 22nd Century), and air filter systems.
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Length 4.19 meters without blade, 5.28 meters with blade; both dimensions are without rear attachments
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Width 2.9 meters over track
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Blade width 3.55 meters
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Height 3.2 meters (2.27 meters stripped for transport or storage)
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Weight 20.5 tons unarmored, 23 tons with armor
The engine is a 200 HP Caterpillar model 3306T six-cylinder turbo diesel of 10.5 liters displacement. Top speed is 10 kph forwards, 12.2 kph in reverse. The fuel tank holds 450 liters; fuel consumption is 22 liters per hour. Drawbar pull is about 25 tons. Maximum slope (fore and aft) for proper lubrication is 100% (45 degrees).
The two-man armored cab weighs 2.5 tons. A CB radio, PA speakers, lights, horn, back-up alarm, and fire extinguishers are standard equipment. Maintenance checks include:
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check engine oil
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check coolant
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check transmission oil
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check hydraulic fluid (the hydraulic fluid tank is a couple hundred liters capacity)
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apply grease to lubrication points
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drain fuel filter
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walk around inspection for worn wires, bad connections, leaks, missing or loose clamps, kinks
M4 high-speed tractor
Originally used as an artillery prime mover, this tracked vehicle can tow loads of up to 15 tons, while also carrying a gun crew, ammunition, and tools. Fully loaded with 11 persons aboard, it weighs 14.3 tons; empty weight (no crew or cargo) it's 11.2 tons. Length 5.2 meters, width 2.5 meters, height to cab roof 3.1 meters. From the ground to the cab floor is 1.6 meters; from the cab floor to the roof is 1.5 meters.
A 210 HP 6-cylinder inline gasoline engine powers the vehicle; there are three forward speeds, plus reverse. Top speed is 55 kph, maximum grade capability is 60%. A fuel tank holds 200 liters of gasoline; fuel usage is 70 liters per 100 kilometers. The radiator holds 82 liters of water. Maximum drawbar pull at stall is 18 tons. It has a 12 volt electrical system. Each track has 65 shoes; the steel wheels have rubber bushings, to cut down on noice produced and to give a better ride. Note that most of the suspension and drivetrain are the same as that used by the M3 and M5 Stuart tanks.
The cab is divided into two compartments; the front compartment has a bucket seat for the driver, and a two-man bench seat. A round hatch over the bench seat has a M49C ring mount for a .50 caliber machine gun. Storage for a tripod and 500 rounds of .50 caliber ammunition is provided in the front compartment. The middle compartment has two padded bench seats to hold eight men. Note that the sides of the cab have no windows, and no doors -- just cutout openings. The engine compartment is behind the cab; the cargo box is at the rear -- it's the full width of the vehicle, but not very long, and has no roof (there's a canvas cover). A rear cargo door folds downwards; it's only about 1/3 of the width of the vehicle.
The cargo box has a swing crane with a trolley hoist, to load shells or other heavy objects. The winch is mounted at the rear, with 100 meters of 2 cm steel wire cable on a reel; it can pull 15 tons.
Originally, two sets of pioneer tools, a big crow bar, and a half-dozen jerry cans of drinking water were carried, along with the crew's personal equipment.
If converted to use a gas generator, the vehicle carries 400 kg of generator and 600 kg of charcoal -- usually this installation takes up the whole cargo box. The original fuel tank is converted to be a water filter and coolant supply. Fuel usage is about 80 kg of charcoal per 100 kilometers, plus a liter of lubricating oil for every 100 kilometers traveled (gas generators don't provide any lubrication for the cylinders, etc.).
Armor value: 8 for the cab sheet metal; 10 for the cargo box bed and sides
ripper
A conversion of a subcompact front-wheel drive coupe or hatchback (typically a Ford Fiesta, Volkswagen Rabbit or Polo Mk 2, or an AMC Gremlin) to a tracked vehicle. Fully loaded with 2 persons aboard, it weighs 1.4 tons. Length 6.2 meters, width 2.8 meters, height to light bar 3.4 meters. From the ground to the door sills is 1.65 meters.
A 1.3 to 1.7 liter water-cooled fuel-injected 4-cylinder inline methanol engine produces about 75 horsepower; there are four or five forward speeds through a manual transmission, plus reverse. The original transmission drives the original front axle, which in turn runs two rubber belts connected to the track drive sprockets. These pull track around, and also send power to a transmission which drives the two rear axles. There are dual wheels on the rear axles.
The brakes operate on all the road wheels, and there are two brake pedals (left and right).
Top speed is 35 kph, maximum grade capability is 60%. A fuel tank holds 50 liters of methanol; fuel usage is 10 liters per 100 kilometers. The radiator holds 9 liters of water (it's been beefed up from the original). It has a 12 volt electrical system, with various headlights or spotlights. The tracks are continuous rubber, with the front pair of wheels steered; there is a leaf spring suspension, and the road wheels have pneumatic tires.
The vehicle can in fact be driven perfectly well on good roads without the tracks.
At most a .30 caliber or equivalent machine gun is carried; some have been seen with smoke generators, or flamethrowers, mounted at the back.
Armor value: 5 for the remaining sheet metal.
small scrap tank
A tracked armored vehicle, crew are driver and gunner.
The powerplant is not a gasogen -- those are too bulky; it's probably a gasoline or methanol engine. This vehicle is built using components from a pre-War excavator, and thus carries the engine inside the turret.
Armament is either a short-barreled 37mm gun, or a flamethrower, or a single-shot .50 caliber rifle disguised as a cannon. A coaxial or hatch gun is often carried.
Length (turret pointed forward) is 5.3 meters; width is 2.4 meters; height is 3.25 meters. Mass is about 18 tons.
Armor value 18 on hull front and sides, 15 on rear and top.
medium scrap tank
A tracked armored vehicle, crew are driver + gunner + commander + mechanic/loader.
The powerplants are various V8 gasoline, ethanol or methanol engines, top speed is only about 10 or 15 kph. The vehicle can climb a 40% grade; fording depth is about 1.5 meters. Fuel tankage of 55 gallons (200 liters) is sufficient for 100 kilometers of range (50 kilometers if using methanol).
Armor is 12 mm to 37 mm of steel (usually equivalent to RHA steel on the front and turret). Equipment varies widely; almost none have a radio transmitter, but quite often they have a receiver.
Armament varies. Some have been seen with 37mm or 75mm tank guns or light howitzers. The turret shown carries a flamethrower and a coaxial machinegun, typically of .30 or .50 caliber. Access is through the commander's hatch, plus a single side door in the hull.
Length 6 meters over the hull, width 4.2 meters, weight about 20 tons. They are usually built on the hulks of old medium bulldozers (see below).
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The complete 200 liter fuel tank provides enough fuel for the flamethrower to fire for 32 seconds, out to its maximum range of 80 meters. A 'burst' is 4 seconds, using up 25 liters of fuel; thus there are 8 bursts available. Alcohol isn't quite as deadly as gasoline for flamethrowing, but it's still quite nasty.
Armor value: turret sides and hull front, 25 points. Hull sides, 22 points; turret top, hull rear and underside, 17 points
MVA scrap tank
This scrap tank is 5.6 meters long and 3.4 meters wide; it's rather top heavy, being 4.4 meters tall. It weighs 22 tons, of which 15 tons is the turret.
It has a 5.7 liter 167 HP V6 diesel engine, operating a 24 volt electrical system. Top speed is 5.7 kph, maximum grade is 35ยบ (70%) -- but less when traversing across a slope. A drawbar pull of 18 tons is available for hauling loads, or when getting un-stuck. A 350 liter fuel tank gives a range of 59 kilometers (34 liters of fuel used each hour at full power); other tanks hold 150 liters of hydraulic fluid, and 25 liters of lubricants. There are 50 track links on each side. The turret can rotate a complete circle in 12 seconds (one game round); the hydraulic system also transfers power from the turret to the tracks. Several electric lights are fitted, mostly former car headlamps.
A one-of-a-kind machine gun, .30-06 caliber, is fitted in a ball mount on the turret front (Malfunction number 91); another machine gun could be fitted at the roof hatch, but isn't present on the vehicle captured on 1 September 2140. A cloth belt of 100 rounds of .30-06 unjacketed ammunition is carried; this has smokeless propellant.
The main gun is a rebuilt 75mm M1897A4 gun, on an M3 mount; this gun was carried on an M3 half-track during WW2. 40 rounds of shell, 5 rounds of solid shot, and 10 rounds of canister ammunition are carried -- propellant and explosive charges are all black powder. The gun (including cradle and recoil mechanism) weighs 670 kg; each round of ammunition weighs about 6.7 kg. The brass cartridges are marked EBT. Sustained rate of fire is 3 rounds per minute, but short bursts of 6 rounds per minute can be fired. An M33 one-power telescope is used for sighting; the gun can be elevated 29 degrees, depressed -10 degrees, and traversed left or right 20 degrees. Smoke from the 0.65 kg black powder propellant is a nuisance for rapid firing, however -- especially when the empty cartridge case drops into the turret. One of the side doors is usually propped open for the empty shells to be tossed out. Note that the gun recoils 116 cm when fired.
The turret is made from cast and riveted mild steel armor, 30mm thick on the front of the turret , and 9mm thick on the rest of the turret and on the track side covers. Note that the engine is not protected by armor (though a steel mesh is usually fitted to keep debris out). There are two narrow vision slits in the front of the turret, for the gunner and driver; the main access door is on the left side of the turret, with a smaller escape/empty case ejection hatch on the right. The commander's hatch was originally fitted on some pre-Atomic War armored vehicle.
The crew are the commander, the gunner, the loader, the breech operator/assistant loader, and the driver/machine gunner.
Armor values: turret front 23 points, turret sides and top 14 points; track covers, 14 points; turret underside, 10 points.
heavy scrap tank
A tracked armored vehicle, driver + gunner + commander + mechanic/loader (+ radio operator if a radio is carried).
The powerplants are various V8 gasoline, ethanol or methanol engines, top speed is only about 5 to 10 kph. The vehicle can climb a 40% grade (but has stability problems on side slopes). Fording depth is at least 2 meters. Fuel tankage of 55 gallons (200 liters) is sufficient for 30 kilometers of range (15 kilometers if using methanol).
Armor is 37 mm to 64 mm of steel (usually equivalent to RHA steel on the front and turret).
Equipment varies widely; a CB radio isn't unusual, but almost none have a more advanced radio transmitter, though they might have a better receiver. The turret carries a cannon (usually 75mm, but sometimes a 105mm howitzer) and a coaxial machinegun, typically of .30 or .50 caliber. Another machinegun may be mounted in a cradle at the commander's turret hatch. Typical ammo storage is 71 rounds (for 75mm gun) or 46 rounds (for 105mm gun). Access is through the commander's hatch, plus a single side door in the hull.
Length 7.3 meters over the hull (or tracks), width 4.2 meters, weight about 50 tons. They are usually built on the hulks of old tracked excavators; the track system is low-profile but entirely unarmored.
Armor value: turret front and sides, 34 points. Turret side, top and rear, 25 points. Underside is unarmored.
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