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The Caterpillar 3126 is a turbocharged 7.2L inline 6-cylinder diesel engine manufactured by Caterpillar and first introduced in 1995; it was the first electronic mid-range diesel engine that Caterpillar produced. [1] It is the successor to the Caterpillar 3116 engine and was updated to become the Caterpillar C7 engine in 2003. [1]
During its production run, the FS-65 chassis saw relatively few changes. For 2002, the Mercedes-Benz MBE900 diesel engines were added to the powertrain line as an option. For 2004, the Caterpillar 3126 became the Caterpillar C7 (as part of an emissions upgrade). A redesign of the instrument panel adopted a new instrument cluster, shared with ...
[1] [3] FMTV A1Rs have a 2004 EPA emissions compliant version of the same engine with the same power output. [20] FMTV A1 variants have an earlier 1998 EPA emissions-compliant version of this engine, the 3126 ATAAC, which produced 275 hp at 2,400 rpm and 815 Lb.-Ft.torque at 1,600 rpm in LMTV variants, and 330 hp and 850 Lb.-Ft.torque in MTV
On C4500/C5500s, an 8.1-liter V8 was carried over from the previous generation, with a 6.6-liter Duramax V8 diesel replacing the Caterpillar 3116. Diesel engines were standard on C6500s and up, with Isuzu's 7.8-liter Duramax LG4 inline-six as standard, with a 7.2-liter Caterpillar C7 (a redesigned Caterpillar 3126) offered as an option.
At their launch, the F-650 and F-750 were available with the Caterpillar 3126 (replaced by the C7) 7.2L inline-six, the Cummins ISB 5.9L inline-six, and the Navistar-produced Ford-branded 7.3L Power Stroke V8 engine. The 6.0L Power Stroke replaced the aging (and no longer compliant with California noise regulations) 7.3L for the 2004 model year.
The Caterpillar 3116 is a turbocharged 6.6L inline 6-cylinder diesel engine manufactured by Caterpillar and first introduced in 1988. was the predecessor to the Caterpillar 3126 in 1998. [1] The Caterpillar 3116 was also used as a marine engine. [2] The 3116 ran up to 330 HP. [3]
In 2007, as ultra-low-sulfur diesel became required in North America, Caterpillar updated the C7 to use common rail fuel injectors and improved ACERT electronics. [122] [123] In 1998 Caterpillar purchased Perkins Engines of Peterborough, England, a maker of small diesel and gasoline engines. Perkins engines are used in various applications.
Gasoline engines up to WWII were often valve in block design (L-head), during the war more overhead valve (ohv) engines were used, and after the war all new engines (except 1 F-head and 1 Overhead camshaft (ohc)) have been ohv. All diesel engines have ohv, they can be naturally aspired, supercharged (SC), or turbocharged (TC).