Used 2006 Newmar Mountain Aire MACA 3778 Motor Home Class A
2006 Newmar Mountain Aire (MACA) 3778, a premium Class A gas motorhome from Newmar Corporation.
This luxurious gas-powered RV, built on a Workhorse chassis with a powerful GM Vortec 8.1L engine (340 HP), was one of Newmar's most popular and highly regarded floorplans in the mid-2000s. Enthusiasts often praise the Mountain Aire series as among the finest gas coaches ever produced, with the 3778 layout standing out for its exceptional balance of space, functionality, and residential-style comfort.
Awesome experience. Shawn was great and super helpful, very knowledgeable and made things very easy and quick. - Christopher
Stock# 32126
Chassis: WORKHORSE
| Sleeps | 4 |
| Slides | 2 |
| Length | 37 ft |
| Ext Width | 8 ft 6 in |
| Ext Height | 12 ft 6 in |
| Int Height | 7 ft |
| Hitch Weight | 5000 lbs |
| Dry Weight | 19972 lbs |
| Fresh Water Capacity | 75 gals |
| Grey Water Capacity | 50 gals |
| Black Water Capacity | 50 gals |
| Tire Size | 255/70R22.5 |
| Furnace BTU | 42000 btu |
| Generator | ONAN 5.5kW GAS |
| Fuel Type | GAS |
| Miles | 83850 |
| Engine | GM VORTEC 8.1L |
| Chassis | WORKHORSE |
| Horsepower | 340 hp |
| Fuel Capacity | 75 gals |
| Available Beds | 1 QUEEN |
| Number of Awnings | 1 |
| LP Tank Capacity | 25 |
| Water Heater Capacity | 10 gal |
| Washer/Dryer Available | Yes |
| VIN | 5B4MPA7G853409445 |
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