Sofim 8140 engine

The 8140 was a diesel engine made by Sofim for automobiles. Originally introduced as a swirl chamber, naturally aspirated diesel it was mostly used in commercial vehicles worldwide.

Sofim 8140 engine
Overview
ManufacturerSofim
Also calledRenault S-Type engine
Production
Layout
ValvetrainSOHC 8v

Turbocharging the original engine, the design of which was finished in 1974, was impeded until 1985 due to restrictions of the original design.[1] 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 Saviem SG2, OM Grinta, and the Fiat/Iveco Daily, as well as passenger cars like the Fiat 131 and 132 models.[2][3] It also saw use in the Fiat Campagnola.

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 typeDisplacement ccMax power
PS (kW) at rpm
Max torque
at rpm
Layout and number of cylindersValve /number of valvesCarYears of production
8140.61244572 (53)/4200147 N⋅m (108 lb⋅ft) /2400R4, IDI, naturally aspiratedOHC/8Fiat 131
Fiat 132
Fiat Argenta
Fiat Campagnola
Fiat Ducato
Iveco Daily
1978-1983
1978-1981
1981-1985
1979-1987
1981-1989
1978-1990
S8U 720/722244571 (52)/4200150 N⋅m (111 lb⋅ft) /2200R4, IDI, naturally aspiratedOHC/8Renault Trafic
Renault Master
1981–1989
8144.21244592 (68)/3800216 N⋅m (159 lb⋅ft) /2200R4, DI, turbochargedOHC/8Fiat Argenta
Fiat Ducato
Iveco TurboDaily
1983-1985
1981-1989
1980-1990
S8U 750244592 (68)/3800216 N⋅m (159 lb⋅ft) /2200R4, IDI, turbochargedOHC/8Renault Master B901986–1990
8144.912445101 (74)/4100217 N⋅m (160 lb⋅ft) /2300R4, IDI, turbocharged, intercooledOHC/8Fiat 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 typeDisplacement ccMax power
PS (kW) at rpm
Max torque
Nm (lb.ft) at rpm
Layout and number of cylindersValve /number of valvesCarYears of production
8140.07249975 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 aspiratedOHC/8Fiat Ducato
Iveco TurboDaily
Renault Trafic
Renault Master
Renault Messenger
Tarpan Honker
1989-1994
1990-1994
1990-1994
1990-1997
1990-1999
1991-1996
8144.67249975 PS (55 kW)/4200162 N⋅m (119 lb⋅ft)/2200R4, IDI, naturally aspiratedOHC/8Fiat Croma1989–1996
S9U
(8140.67)
249980 PS (59 kW)/4000155 N⋅m (114 lb⋅ft)/2200R4, IDI, naturally aspiratedOHC/8Renault Master
Opel Movano
Nissan Interstar
1997-2000
1998-2000
1999-2000
8140.67249984 PS (62 kW)/4200164 N⋅m (121 lb⋅ft)/2400R4, IDI, naturally aspiratedOHC/8Fiat Ducato1994–1999
8140.27249995 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, turbochargedOHC/8Fiat Ducato
Iveco TurboDaily
Renault Messenger
Tarpan Honker
1989-1994
1989-1994
1989-1996
1991-1996
S9U
(8140.27)
249988 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/8Renault Master1989-1990
1990-1994
8140.472499116 PS (85 kW)/3800245 N⋅m (181 lb⋅ft)/2000R4, DI, turbocharged, intercooledOHC/8Fiat Ducato
Iveco TurboDaily
Renault Messenger
1994-2002
1994-2000
1994-1996
8144.972499116 PS (85 kW)/3900245 N⋅m (181 lb⋅ft)/2200R4, IDI, turbocharged, intercooledOHC/8Fiat Croma
Lancia Thema
1989–1996
S8U-762
(8144.97)
2499113 PS (83 kW)/4000240 N⋅m (177 lb⋅ft)/2000R4, IDI, turbocharged, intercooledOHC/8Renault Safrane1992–1996

2.8 L version

The 2.8 L displaces 2800 cc having a larger bore and stroke (94.4 x 100 mm).

Engine typeDisplacement ccMax power
PS (kW) at rpm
Max torque
at rpm
Layout and number of cylindersValve /number of valvesCarYears of production
8140.63279987 (64)/3800
85 (63)/3800
180 N⋅m (133 lb⋅ft) /2000R4, IDI, naturally aspiratedOHC/8Fiat Ducato
Iveco Daily
Renault Mascott
1998-2000
1996-1999
1999-2004
8140.232799103 (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, turbochargedOHC/8Iveco Daily
Renault Messenger
Renault Mascott
1996-2000
1996-1999
1999-2004
S9W
(8140.43)
2799115 (84)/3600260 N⋅m (192 lb⋅ft) /1800R4, DI, turbocharged, intercooledOHC/8Renault Master
Opel Movano
Nissan Interstar
1997-2000
1998-2000
1999-2000
8140.432799118 (87)/3600
122 (90)/3600
270 N⋅m (199 lb⋅ft) /1800
285 N⋅m (210 lb⋅ft)/1800
R4, DI, turbocharged, intercooledOHC/8Fiat Ducato
Citroën Jumper
Peugeot Boxer
Iveco Daily
1997-2000
1997-2000
1997-2000
1996-2000
8140.43S2799127 (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, intercooledOHC/8Fiat Ducato
Citroën Jumper
Peugeot Boxer
Iveco Daily
Renault Mascott
2000-2005
2000-2005
2000-2005
2000-2006
2000-2004
8140.43N2799146 (107)/3600310 N⋅m (229 lb⋅ft) /1500
320 N⋅m (236 lb⋅ft) /1500
R4, DI, Common Rail, turbocharged, intercooledOHC/8Fiat Ducato
Citroën Jumper
Peugeot Boxer
Iveco Daily
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 Fiat Powertrain Technologies (FPT) and CNH Industrial (since 2012) respectively.

References

  1. Norbye, Jan (September 1982). Kennett, Pat (ed.). "Intertruck: Italy". TRUCK. London, UK: FF Publishing Ltd: 27.
  2. "1981 FIAT 131 DIESEL SUPER 2500". automobile-catalog.com. Archived from the original on 2016-05-06. Retrieved 2012-01-01.
  3. "FIAT 131 CL DIESEL 2000 (1978)". automobile-catalog.com. Archived from the original on 2012-01-06. Retrieved 2012-01-01.
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