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Italian manufacturer VM Motori has designed and built several different diesel engines for many third-party applications. Since 2013 Fiat and its successors own VM Motori and sell projects to automotive manufacturers including GM, Jeep, and other companies. VM Motori offers different range of engines depending on the applications: automotive, industrial, marine, and power generation.
1.5 L (1,493 cc or 91.1 cu in) I3, with a single overhead camshaft, four valves-per-cylinder, and common-rail direct fuel injection.
This engine was designed in 1998 with the related 4-cylinder variant R 420 SOHC. In 1999, VM granted Hyundai the license to manufacture both engines. Under terms of the agreement, Hyundai was able to manufacture the engines only to power its vehicles, while VM was free to grant other license agreements also in Korea, as happened in 2004 with GM Daewoo.[1][2]
Further evolutions were named RA 315 (Euro 4 compliant, up to 105 PS (77 kW; 104 hp) ) and A 315 (Euro 5 compliant, up to 115 PS (85 kW; 113 hp) ).
Applications:[3]
92 mm × 89.2 mm (3.62 in × 3.51 in) bore and stroke, 1.8 L; 108.6 cu in (1,779 cc) straight-three engine, of an OHV pushrod design with two valves per cylinder. The block was cast iron, with an alloy head. It featured a four main bearing crankshaft, a balance shaft, and a Bosch VE3/10 fuel injection pump. A KKK 14 turbocharger was used, with an intercooler for the facelifted 'Nuova 33' of 1990.[4] Although out of production, this was the biggest three-cylinder engine ever made for a car.
Applications:
1.5 L (1,493 cc) 82 hp (61 kW) at 4000 rpm 187–191 N⋅m (138–141 lb⋅ft) 1900-2700 RPm.
2.0 L; 121.5 cu in (1,991 cc) straight-4, with four valves-per-cylinder and common-rail direct fuel injection. Produced by GM Korea and Hyundai Group (Hyundai and Kia).[7]
Applications:[8]
2.0 L; 121.7 cu in (1,995 cc) straight-4, with two (pushrod-actuated) valves-per-cylinder and indirect injection from Bosch (Spica in earlier versions). 88 mm × 82 mm (3.5 in × 3.2 in). This engine, developed for Alfa Romeo in 1979,[9] is also known as the VM80A and VM4 HT. Usually with KKK 16 turbochargers.
Applications:
2.4 L; 146.0 cu in (2,393 cc) straight-4, with two (pushrod-actuated) valves-per-cylinder and indirect fuel injection (Bosch VE 4/10, Spica in some earlier applications). 92 mm × 90 mm (3.62 in × 3.54 in). This engine is also known as the VM81A and VM4 HT 2.4. At first the 2.4 used KKK 24 turbochargers, later KKK 16s were installed for higher output.
Applications:
2.5 L; 152.5 cu in (2,499 cc) straight-four, with two (pushrod-actuated) valves-per-cylinder and indirect fuel injection. 92 mm × 94 mm (3.62 in × 3.70 in), the engine size is variably referred to as either 2,500 or 2,499 cc. This engine too has been called HR 492, signifying four cylinders of 92 mm (3.62 in) bore. Timing gears, not belt.
Applications:
This engine was also used in some early Toyota Land Cruisers & Hilux, and Opel Fronteras.
The 425 OHV used in Chrysler Voyager 1991–2000 only 1996 and 1997 was with chain.
Between 1997 and 2001 this engine was manufactured at "Detroit Diesel Motores do Brasil" in Curitiba, Paraná, Brazil. The plant was eventually sold to Perkins after the Dodge Dakota stopped production locally.
425 OHV fitted with direct fuel injection for cleaner emissions.
Applications: Rover 800 late models circa 1998
2.5 L; 152.5 cu in (2,499 cc) straight-4, with four valves-per-cylinder and common-rail direct fuel injection. Also available with variable geometry turbocharger (VGT) with upgraded power output of 163 PS (120 kW; 161 hp).[19]
Applications:
[20] power: 118 hp (88 kW; 120 PS) at 4,000 rpm; torque: 300 N⋅m (221 lb⋅ft) at 2,000 rpm
A derated version of this engine putting out 100 hp (75 kW; 101 PS) was chosen in 2006 to power the new generation of the iconic London Taxi (the TX4).
R 425 DOHC enlarged to 2.8 L; 168.8 cu in (2,766 cc) displacement.
Applications:
Evolution of R 428 DOHC. Base design for SDEC SC28R engine.
Applications:
Evolution of R428 DOHC with 1,800 bar (26,000 psi) common rail injection system and piezoelectric injectors
Applications:
The R 754 is a 3.0 L; 181.2 cu in (2,970 cc) double overhead camshaft inline-four engine, featuring common-rail direct fuel injection and a fixed-geometry turbocharger. The bore and stroke are 94 mm × 107 mm (3.70 in × 4.21 in). It produces between 82 and 115 hp (60 and 85 kW). Fitted with an oxidation catalyst, particulate filter, and selective catalytic reduction, it meets the Euro 6 emissions standards and Stage V for off-road use.
2.5 L; 152.2 cu in (2,494 cc) inline-5, with two (pushrod-actuated) valves-per-cylinder and indirect fuel injection from either Bosch or Spica. 88 mm × 82 mm (3.46 in × 3.23 in). This engine is a five-cylinder version of the 2-litre HR488, and also uses KKK turbochargers.
Applications:
Essentially a 425 OHV with an extra cylinder. 3.1 L; 190.7 cu in (3,125 cc) Straight-5, with two (pushrod-actuated) valves-per-cylinder and indirect fuel injection.
Applications:
531 OHV I5 engine, fitted with direct fuel injection.
Applications:
Essentially a 531 OHV with an extra cylinder. 3.7 L; 228.8 cu in (3,749 cc) inline-six, with two (pushrod-actuated) valves-per-cylinder and indirect fuel injection.
Applications:
Also used by BMW Marine as a 180 hp (134 kW; 182 PS) stern-drive package.
638 OHV fitted with direct fuel injection.
Applications:
Essentially an R 638 OHV enlarged to 4.2 L; 254.1 cu in (4,164 cc) displacement. It was the first VM Motori engine to feature direct fuel injection.
Applications:
A planned 2.9 L; 179.1 cu in (2,935 cc) double overhead camshaft V6 engine, featuring four valves-per-cylinder and common-rail direct fuel injection.
Developed for General Motors but stopped at the end of 2008; after Cadillac left the European market and Saab was put for sale, GM had no use for that engine.
630 DOHC | |
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Overview | |
Manufacturer | VM Motori |
Also called | A630, EcoDiesel, L630 |
Production | 2011–2023 |
Layout | |
Configuration | 60° V6 |
Displacement | 3.0 L; 182.3 cu in (2,987 cc) |
Cylinder bore | 83 mm (3.27 in) |
Piston stroke | 92 mm (3.62 in) |
Cylinder block material | Compacted graphite iron |
Cylinder head material | Aluminum |
Valvetrain | DOHC 4 valves x cyl. |
Compression ratio | 15.5:1 |
Combustion | |
Turbocharger | Honeywell VGT 2056 |
Fuel system | Common rail Direct injection |
Fuel type | Diesel, B20 |
Oil system | Wet sump |
Cooling system | Water-cooled |
Output | |
Power output | 190–275 PS (140–202 kW; 187–271 hp) |
Torque output | 440–600 N⋅m (325–443 lb⋅ft) |
Dimensions | |
Length | 695 mm (27.4 in) |
Width | 729 mm (28.7 in) |
Height | 697.5 mm (27.46 in) |
Dry weight | 220 kg (485 lb) |
Chronology | |
Predecessor | Mercedes-Benz OM642 (Chrysler applications) |
A 3.0 L; 182.3 cu in (2,987 cc) double overhead camshaft V6 engine, featuring four valves-per-cylinder and common-rail direct fuel injection. A variant complying with the emission norms of the North America market (NAFTA) is the L630 DOHC and marketed by Fiat Chrysler as the EcoDiesel. The high-performance, single turbo version is codenamed as A630 DOHC HP.[23]