The 325C FM is powered by the Tier II emissions compliant Caterpillar 3126B ATAAC
(turbocharged and air-to-air aftercooled) six-cylinder diesel engine rated 180 net hp.
The 725 is rated at 22.7 t (25 tons) payload and produces net power of 209 kW from a Cat 3176C air-to-air after cooled (ATAAC
) turbocharged engine.
The all-new M316C, as well as the M318C and M322C, are powered by the six-cylinder Caterpillar 3056E ATAAC
diesel engine rated 138, 151 and 164 hp respectively.
The R1700G is equipped with the latest Caterpillar 3176C air-to-air after-cooled (ATAAC
) engine, rated at 231 kW, automatic transmission and SAFRTM, enclosed wet disc brakes.
A Caterpillar 3126B with ATAAC
engine provides more power, fuel economy and reduced maintenance.
The gen-set is powered by a Cat 3456 ATAAC
diesel, driving a Leroy Somer SR4B brushless, permanent magnet dual wound generator with a VR3 voltage regulator.
"It is, however, widely accepted that the air-to-air aftercooler or ATAAC
is the most effective method of lowering charge air temperatures in diesel engines.
air-to-air aftercooling is used on all ratings.
The newest 400, however, has the Cat 3406 DITA ATAAC
(Air-To-Air-After-Cooled) engine which develops 400 hp.
Bucket Capacity(*) 1.375-4.0 yd(3) Engine Cat 3176C ATAAC
- 290 hp Undercarriage Long * Overall Length 17 ft.
The 149-201 kW 3306DI JWAC (jacket water aftercooling) has shown this feature without costly electronic governors or ATAAC