gimpyrobb
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In looking around, I've noticed that the blazers and some ambulances are rated 3/4 ton. Were there any cucv pickups rated at 3/4 ton?
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Cucv question
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CCATLETT1984
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no, all the pickups have the 1ton springs, same with the chassis trucks/ambulances/maint. trucks
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The Blazers were listed as "3/4-ton" trucks by the military, but that was because they had roughly a 3/4-ton payload. It was actually 1200 lbs, but what's 300lbs among friends, right?
I have heard that the pickups were 3/4-ton trucks with a 1-ton front axle, but that is simply not the case. For one thing, the VIN is a definitive clue that the trucks are "30 series". Some argue that the pickups were 3/4-ton because most had the NP-208 transfer case, which was only used in 1/2 and 3/4-ton trucks in the civilian market. If anything, the truth is that they are 1-ton trucks with a 3/4-ton transfer case. The NP-208 is pretty darn durable and was much more economical for GM to use than the NP-205 for the contract. The M1031's did get the NP-205, but there were relatively few of them.
My civilian crew-cab V30 weighs about 6200 and has a GVW of 9200 (no overload springs), so it's essentially the same as the M1008, which weighed about 5900 and had a GVW of 8800 lbs. The overload springs of the M1010, M1031 and M1028/A1/A2/A3 variants gave them an additional 600-700 pounds of payload capacity and a GVW of 9400lbs (9450 for the M1010), which is about the same as a civilian truck of the same vintage with the same overload spring option.
M880's, on the other hand, were all built on a civilian W200 (3/4-ton) chassis. But they were not part of the CUCV program.
I have heard that the pickups were 3/4-ton trucks with a 1-ton front axle, but that is simply not the case. For one thing, the VIN is a definitive clue that the trucks are "30 series". Some argue that the pickups were 3/4-ton because most had the NP-208 transfer case, which was only used in 1/2 and 3/4-ton trucks in the civilian market. If anything, the truth is that they are 1-ton trucks with a 3/4-ton transfer case. The NP-208 is pretty darn durable and was much more economical for GM to use than the NP-205 for the contract. The M1031's did get the NP-205, but there were relatively few of them.
My civilian crew-cab V30 weighs about 6200 and has a GVW of 9200 (no overload springs), so it's essentially the same as the M1008, which weighed about 5900 and had a GVW of 8800 lbs. The overload springs of the M1010, M1031 and M1028/A1/A2/A3 variants gave them an additional 600-700 pounds of payload capacity and a GVW of 9400lbs (9450 for the M1010), which is about the same as a civilian truck of the same vintage with the same overload spring option.
M880's, on the other hand, were all built on a civilian W200 (3/4-ton) chassis. But they were not part of the CUCV program.
Armada
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I always thought the M1008's were in the 5/4 class.
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They were. But 5/4-ton in the military is a literal interpretation of the payload. 2900 minus about 400 pounds for 2 passengers equals 2500lbs or 5/4-ton payload.
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The main reason you find the blazers creatively rated at 3/4 ton was to get it into the heavy emissions category so that it could be equipped with "J" engines.