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, bore remained unchanged at 93 mm displacing 2,499 cc (152.5 cu in).

Engine typeDisplacement ccMax power
PS (kW) at rpm
Max torque
at rpm
Layout and number of cylindersValve /number of valvesCarYears of production
8140.07249975 (55)/4200
76 (56)/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 (55)/4200162 N⋅m (119 lb⋅ft) /2200R4, IDI, naturally aspiratedOHC/8Fiat Croma1989–1996
S9U
(8140.67)
249980 (59)/4000155 N⋅m (114 lb⋅ft) /2200R4, IDI, naturally aspiratedOHC/8Renault Master
Opel Movano
Nissan Interstar
1997-2000
1998-2000
1999-2000
8140.67249984 (62)/4200164 N⋅m (121 lb⋅ft) /2400R4, IDI, naturally aspiratedOHC/8Fiat Ducato1994–1999
8140.27249995 (70)/3800
103 (76)/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 (65)/3800
94 (69)/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 (85)/3800245 N⋅m (181 lb⋅ft) /2000R4, DI, turbocharged, intercooledOHC/8Fiat Ducato
Iveco TurboDaily
Renault Messenger
1994-2002
1994-2000
1994-1996
8144.972499116 (85)/3900245 N⋅m (181 lb⋅ft) /2200R4, IDI, turbocharged, intercooledOHC/8Fiat Croma
Lancia Thema
1989–1996
S8U-762
(8144.97)
2499113 (83)/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 known as F1A (2.3 l) and F1C (3.0 l), available for industrial and marine use from Fiat Powertrain Technologies (FPT).

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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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