Sofim 8140 engine
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Sofim 8140 engine | |
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Overview | |
SOHC 8v |
The 8140 was a
At the time of introduction, the 8140's overhead camshaft layout (driven by a toothed timingbelt) was unexpected in a diesel engine, which were typically overhead valve designs.[1] Turbocharging the original engine, the design of which was finished in 1974, was impeded until 1985 due to restrictions of the original design.[2] Heat flux issues with the aluminium head and swirl chambers were eventually overcome, but did slow down development.
First direct injection models also appeared in the mid-eighties.
Additionally to the Fiat designation 8140 some engines got a Renault tag (S8 for indirect injection, S9 for direct injection).
2.0 L version
In the early beginning there was a 2.0-liter (1,995 cc) four-cylinder 65 PS (48 kW), called the Sofim 8144.65. Alongside the 2.4-liter version it was used in light commercial vehicles like the
2.4 L version
The original 2.4 L big block displaces 2,445 cc (149.2 cu in), bore x stroke was 93 x 90 mm.
Engine type | Displacement cc | Max power PS (kW) at rpm |
Max torque at rpm |
Layout and number of cylinders | Valve /number of valves | Car | Years of production |
---|---|---|---|---|---|---|---|
8140.61 | 2445 | 72 (53)/4200 | 147 N⋅m (108 lb⋅ft) /2400 | R4, IDI, naturally aspirated | OHC/8 | Fiat 131 Fiat 132 Fiat Argenta Fiat Campagnola Fiat Ducato Iveco Daily |
1978-1983 1978-1981 1981-1985 1979-1987 1981-1989 1978-1990 |
S8U 720/722 | 2445 | 71 (52)/4200 | 150 N⋅m (111 lb⋅ft) /2200 | R4, IDI, naturally aspirated | OHC/8 | Renault Trafic Renault Master |
1981–1989 |
8144.21 | 2445 | 92 (68)/3800 | 216 N⋅m (159 lb⋅ft) /2200 | R4, DI, turbocharged | OHC/8 | Fiat Argenta Fiat Ducato Iveco TurboDaily |
1983-1985 1981-1989 1980-1990 |
S8U 750 | 2445 | 92 (68)/3800 | 216 N⋅m (159 lb⋅ft) /2200 | R4, IDI, turbocharged | OHC/8 | Renault Master B90 | 1986–1990 |
8144.91 | 2445 | 101 (74)/4100 | 217 N⋅m (160 lb⋅ft) /2300 | R4, IDI, turbocharged, intercooled | OHC/8 | Fiat Croma Lancia Thema |
1985-1989 1984-1988 |
2.5 L version
In 1990 the 2.5 L was introduced with a longer stroke, increased by 2 mm to 92 mm. The bore remained unchanged at 93 mm, this version displaces 2,499 cc (152.5 cu in).
Engine type | Displacement cc | Max power PS (kW) at rpm |
Max torque Nm (lb.ft) at rpm |
Layout and number of cylinders | Valve /number of valves | Car | Years of production |
---|---|---|---|---|---|---|---|
8140.07 | 2499 | 75 PS (55 kW)/4200 76 PS (56 kW)/4000 |
162 N⋅m (119 lb⋅ft)/2200 165 N⋅m (122 lb⋅ft)/2400 |
R4, DI, naturally aspirated | OHC/8 | Fiat Ducato Iveco TurboDaily Renault Trafic Renault Master Renault Messenger Tarpan Honker |
1989-1994 1990-1994 1990-1994 1990-1997 1990-1999 1991-1996 |
8144.67 | 2499 | 75 PS (55 kW)/4200 | 162 N⋅m (119 lb⋅ft)/2200 | R4, IDI, naturally aspirated | OHC/8 | Fiat Croma
Fiat Ducato |
1989–1996
1989-1994 |
S9U (8140.67) |
2499 | 80 PS (59 kW)/4000 | 155 N⋅m (114 lb⋅ft)/2200 | R4, IDI, naturally aspirated | OHC/8 | Nissan Interstar |
1997-2000 1998-2000 1999-2000 |
8140.67 | 2499 | 84 PS (62 kW)/4200 | 164 N⋅m (121 lb⋅ft)/2400 | R4, IDI, naturally aspirated | OHC/8 | Fiat Ducato | 1994–1999 |
8140.27 | 2499 | 95 PS (70 kW)/3800 103 PS (76 kW)/3800 |
216 N⋅m (159 lb⋅ft) /2000 225 N⋅m (166 lb⋅ft) /2000 |
R4, DI, turbocharged | OHC/8 | Fiat Ducato Iveco TurboDaily Renault Messenger Tarpan Honker |
1989-1994 1989-1994 1989-1996 1991-1996 |
S9U (8140.27) |
2499 | 88 PS (65 kW)/3800 94 PS (69 kW)/3800 |
200 N⋅m (148 lb⋅ft)/2200 205 N⋅m (151 lb⋅ft)/2200 |
R4, DI, turbocharged | OHC/8 | Renault Master | 1989-1990 1990-1994 |
8140.47 | 2499 | 116 PS (85 kW)/3800 | 245 N⋅m (181 lb⋅ft)/2000 | R4, DI, turbocharged, intercooled | OHC/8 | Fiat Ducato Iveco TurboDaily Renault Messenger |
1994-2002 1994-2000 1994-1996 |
8144.97 | 2499 | 116 PS (85 kW)/3900 | 245 N⋅m (181 lb⋅ft)/2200 | R4, IDI, turbocharged, intercooled | OHC/8 | Fiat Croma Lancia Thema |
1989–1996 |
S8U-762 (8144.97) |
2499 | 113 PS (83 kW)/4000 | 240 N⋅m (177 lb⋅ft)/2000 | R4, IDI, turbocharged, intercooled | OHC/8 | Renault Safrane | 1992–1996 |
2.8 L version
The 2.8 L displaces 2800 cc having a larger bore and stroke (94.4 x 100 mm).
Engine type | Displacement cc | Max power PS (kW) at rpm |
Max torque at rpm |
Layout and number of cylinders | Valve /number of valves | Car | Years of production |
---|---|---|---|---|---|---|---|
8140.63 | 2799 | 87 (64)/3800 85 (63)/3800 |
180 N⋅m (133 lb⋅ft) /2000 | R4, IDI, naturally aspirated | OHC/8 | Renault Mascott |
1998-2000 1996-1999 1999-2004 |
8140.23 | 2799 | 103 (76)/3600 106 (78)/3600 |
240 N⋅m (177 lb⋅ft) /1900 235 N⋅m (173 lb⋅ft) /1900 250 N⋅m (184 lb⋅ft) /1800 |
R4, DI, turbocharged | OHC/8 | Renault Mascott |
1996-2000 1996-1999 1999-2004 |
S9W (8140.43) |
2799 | 115 (84)/3600 | 260 N⋅m (192 lb⋅ft) /1800 | R4, DI, turbocharged, intercooled | OHC/8 | Nissan Interstar |
1997-2000 1998-2000 1999-2000 |
8140.43 | 2799 | 118 (87)/3600 122 (90)/3600 |
270 N⋅m (199 lb⋅ft) /1800 285 N⋅m (210 lb⋅ft)/1800 |
R4, DI, turbocharged, intercooled | OHC/8 | Peugeot Boxer Iveco Daily |
1997-2000 1997-2000 1997-2000 1996-2000 |
8140.43S | 2799 | 127 (93,5)/3600 125 (92)/3600 |
300 N⋅m (221 lb⋅ft) /1800 290 N⋅m (214 lb⋅ft)/1800 |
R4, DI, Common Rail, turbocharged, intercooled | OHC/8 | Renault Mascott |
2000-2005 2000-2005 2000-2005 2000-2006 2000-2004 |
8140.43N | 2799 | 146 (107)/3600 | 310 N⋅m (229 lb⋅ft) /1500 320 N⋅m (236 lb⋅ft) /1500 |
R4, DI, Common Rail, turbocharged, intercooled | OHC/8 | Renault Mascott |
2000-2005 2000-2005 2000-2005 2000-2006 2000-2004 |
Today
After continuous development these engines are nowadays known as F1A (2.3 L) and F1C (3.0 L), available for marine and industrial use from
References
- ^ "Fiat 131 Mirafiori: da 3 anni è un successo" [Fiat 131 Mirafiori: a three-year success]. Quattroruote: Tutte le Auto del Mondo 77/78 (in Italian). Milano: Editoriale Domus S.p.A. 1977. p. 205.
- ^ Norbye, Jan (September 1982). Kennett, Pat (ed.). "Intertruck: Italy". TRUCK. London, UK: FF Publishing Ltd: 27.
- ^ "1981 FIAT 131 DIESEL SUPER 2500". automobile-catalog.com. Archived from the original on 2016-05-06. Retrieved 2012-01-01.
- ^ "FIAT 131 CL DIESEL 2000 (1978)". automobile-catalog.com. Archived from the original on 2012-01-06. Retrieved 2012-01-01.