Mazda Diesel Engine
Straight-4
Straight-4
3.0L HA - 2977cc - Licensed built Perkins 4.182 related to S2 and XA
1.7L PN - 1720cc - Used in the Mazda Familia and Ford Laser
2.2L R2 - 2184cc - Used in the 1984 onwards Mazda Bongo
2.2L S2 - 2209cc - Licensed built Perkins 4.135 related to HA and XA, used in 1979 to 1984 Mazda Bongo, B2200, Ford Ranger
3.5L SL - 3455cc -
4.0L TF - 4021cc -
4.6L TM - 4553cc -
3.0L VS - 2956cc -
2.5L WL - 2499cc - Turbodiesel, used in non-US 1995 Mazda MPV.
2.5L XA - 2522cc - Licensed built Perkins 4.154 related to HA and S2
2.7L XB - 2701cc -
3.7L XC - 3663cc -
1.4L-1.6L MZ-CD diesel Z-family - 2004 Mazda3
RF
Naturally aspirated SOHC, 2 valves-per-cylinder, displacing 1998 cc with square internal dimensions of 86mm bore and 86mm stroke diesel RF engine was one of Mazda's more popular diesel engines. This powertrain is close related to the Mazda petrol FE engine sharing the same bell housing patterns and other block fixtures and dimensions.
Used also in the 19841986 Ford Tempo - Mercury Topaz, the 19841987 Ford Escort - Mercury Lynx and pre-2001 turbo diesel Suzuki Grand Vitara
Used in the Mazda Bongo and 1999 Mazda Demio
RF 1998
Latest emission improved version used in Mazda 323 adopts a new swirl chamber with an enlarged volume, revised swirl-chamber-to-main-chamber ratio and a narrower throat area. Engine produces 52kW at 4500 rpm on a raised 21.7:1 compression ratio, and has an exceptionally wide spread of torque throughout its range, peaking with 128 Nm at 3000 rpm.
Further engine features:
optimized intake manifold, with inertia moment effect flow
camshaft with Mazda's Multi-Function cam profile theory (increases valve lift to 9.1mm and enhances the engine's volumetric efficiency at lower speed range, resulting in an improved torque output, never falling below 108 Nm between 1500 rpm and 4500 rpm)
electrically controlled distributor-type fuel injection pump
electronically controlled EGR valve
RF-CX Comprex
ABB Comprex pressure wave supercharger
56kW (76PS; 75hp) at 4000 rpm, 172Nm (127lbft) at 2000 rpm
introduced in June 1992 Mazda 626 Capella
RF-T DI 1998 (2.0 DiTD)
A direct-injection turbo version (101 bhp) with four valves per cylinder, called the DiTD was introduced in the June 1998 Mazda 626 Wagon 2.0 DiTD. Engine has SOHC valve train with rocker arms and mechanically adjusted screws (no hydraulic valve lifters), with Denso V5 rotary injection pump and Denso PCM.
There were three power versions:
66kW (90PS; 89hp) at 4000 rpm with maximum torque 220Nm (160lbft) at 1800 rpm
74kW (101PS; 99hp) at 4000 rpm with maximum torque 220Nm (160lbft) at 18002200 rpm
81kW (110PS; 109hp) at 4000 rpm with maximum torque 230Nm (170lbft) at 20002600 rpm
Engines were mounted in:
Mazda 626 Capella since June 1998
Mazda Premacy as DE 2.0L (DIREC-D) Euro III
Also same engine was mounted on mazda 323, but it is limited to 99bhp
RF 2002 (2.0 MZR-CD)
Next evolution of RF engine with common rail direct-injection was introduced in June 2002 European version Mazda 6 with output power 89kW (121PS; 119hp) or 100kW (136PS; 134hp) (both at 3500 rpm), depending on engine version (only difference between the two diesel drivetrains is the shape of their respective torque curves, the larger of the two engines being flatter). 2002 RF Mazda diesel engine includes new duel-mass flywheel and common rail Denso injection with max. pressure of 1800 bar, pilot and post-injection for operating smoothness and soft and acoustically unobtrusive combustion. Both versions have same compression ratio 18.3:1. Torque output (both versions have same maximum 310Nm (230lbft) at 2000 rpm), fuel efficiency and NOx emissions were improved by using:
expansive vertical vortex combustion (EVVC), which combines a special piston surface design, with ingenious fuel distribution, to produce a vertical swirl in the combustion chamber
variable turbine geometry (VNT) turbocharger
Combined fuel economy is achieving 6.5 litres per 100km and emission rating Euro Stage III (D4) with on a regular basis mounted catalytic converter with Lambda probe and exhaust-gas recirculation system (EGR). Engines were mounted in (in order of appearance):
1st generation Mazda 6 Atenza (both versions) since June 2002
2nd generation Mazda MPV (only High Power version) since June 2002
RF 2005 (2.0 MZR-CD)
Production of improved, cleaner and more powerful common rail direct-injection turbocharged version of Mazda RF engine was started with July 2005 Mazda 6 facelift. This drivetrain still has most of typical features of its predecessor including belt-driven SOHC valve train with rocker arms and mechanically adjusted screws (in contrast to frequently mismatched, absolutely different Ford Duratorq ZSD or PSA DW10 engines). Mazda applied several technologies to this MZR-CD engine to achieve Euro Stage IV:
new variable geometry turbocharger has 14 percent less inertial moment and is compacter in design (achieved, for instance, by a shorter distance between the exhaust gas inlet and the turbine shaft)
Denso's 1800 bar second generation common rail system that, depending on driving conditions, uses multi-stage injection of up to nine times per cycle with six-hole injectors
relatively low compression ratio of 16.7:1 improves power output and torque, while at the same time helping to lower combustion noise and emissions
NOx emissions were reduced by lowering the engine's combustion temperature
O2 sensor constantly measures residual oxygen in the exhaust gases and this information is sent to 32-bit powertrain control module (PCM), which continuously optimizes the air/fuel mix
There were two power versions of this engine: Standard Power 89kW (121PS; 119hp) at 3500 rpm and a maximum torque of 320Nm (240lbft) at 2000 rpm, High Power 105kW (143PS; 141hp) at 3500 rpm and a maximum torque of 360Nm (270lbft) at 2000 rpm. Both versions come with a DPF system standard, which traps soot in a coated ceramic filter. As soon as the filter's storage capacity is exhausted, exhaust gas temperature is raised for a short period (using only diesel pre and post-injection techniques, not any fuel burner additive) and the particles burn off. As a result, the RF 2005 engines emit 80 percent less particulate matter than required by Euro Stage IV standards. Engines were mounted in (in order of appearance):
1st generation Mazda 6 Atenza (both versions) since July 2005
Mazda 5 Premacy (both versions) since January 2006
1st generation Mazda 3 Axela (only High Power version) since March 2007
RF 2007 (2.0 MZR-CD)
Slightly detuned (103kW (140PS; 138hp) at 3500 rpm and 330Nm (240lbft) at 2000 rpm) version of RF 2005 engine was introduced in November 2007's second generation Mazda 6. Newly calibrated powertrain control module mapping resulted in better drivability, fuel efiency and emission performance. This engine has changed layout of the intake/exhaust, with more efficient EGR cooler, better DPF and combined fuel consumption 5.6L/100km (50mpg-imp; 42mpg-US), less than its predecessor. Engine was mounted in (in order of appearance):
2nd generation Mazda 6 Atenza since November 2007
R2 2008 (2.2 MZR-CD)
New generation RF-based MZR-CD 2.2-litre turbo diesel engine (stroke was lengthened by 8mm (0.3in) in comparison to the MZR-CD 2.0 RF engine) was introduced in November 2002 and this powertrain is planned to totally replace RF 2007 and RF 2005 in the future with three (or more, see below) power versions:
MZR-CD 2.2 High Power: produces 136kW (185PS; 182hp) at 3500 rpm and 400Nm (300lbft) of torque from 1800 to 3000 rpm, with combined fuel efficiency in 2nd generation Mazda 6: 5.6L/100km (50mpg-imp; 42mpg-US)/5.7L/100km (50mpg-imp; 41mpg-US) and CO2 emissions of 149/152 g/km (sedan and hatchback/wagon).
MZR-CD 2.2 Mid Power: produces 120kW (163PS; 161hp) at 3500 rpm and 360Nm (270lbft) of torque from 1800 to 3000 rpm, with combined fuel efficiency in 2nd generation Mazda 6: 5.5L/100km (51mpg-imp; 43mpg-US)/5.6L/100km (50mpg-imp; 42mpg-US) and CO2 emissions of 147/149 g/km.
MZR-CD 2.2 Low Power: produces 92kW (125PS; 123hp) at 3500 rpm and 310Nm (230lbft) of torque from 1800 to 2600 rpm, with combined fuel efficiency in 2nd generation Mazda 6: 5.5L/100km (51mpg-imp; 43mpg-US)/5.6L/100km (50mpg-imp; 42mpg-US) and CO2 emissions of 147/149 g/km.
MZR-CD 2.2 Standard Power in 2nd generation Mazda 3 Axela (internal code BL): produces 110kW (150PS; 148hp) at 3500 rpm and 360Nm (270lbft) of torque from 1800 to 2600 rpm, with combined fuel efficiency 5.6L/100km (50mpg-imp; 42mpg-US) and CO2 emissions of 144 g/km.
MZR-CD 2.2 with Selective Catalytic Reduction system in 2009 facelift Mazda CX-7 produces 127kW (173PS; 170hp) at 3500 rpm and 400Nm (300lbft) of torgue at a low 2000 rpm, with combined fuel efficiency 7.5L/100km (38mpg-imp; 31mpg-US) and CO2 emissions of 199 g/km.
2.2 MZR-CD engine features:
Denso HP3-based common rail with system injection pressure increased to 2000 bar/200 MPa
common rail injectors that have 10 spray small (0.119mm) holes (instead of the 6 used on the MZR-CD 2.0) and higher response solenoids
low compression ratio of 16.3:1, made possible with highly atomizing injectors
VNT turbocharger with curved vanes and abradable seal
chain-driven DOHC valve system
aluminium lower block combined with low-friction, front chain-drive balancer shaft
newly developed, high thermal resistance DPF system with global-first ceramic support matrix structure
newly developed EGR cooler
Euro Stage V emission rating
new Selective Catalytic Reduction (SCR) system with AdBlue additive significantly reduces NOx emissions (currently only in Mazda CX-7, in special 15.5-litre tank located under the luggage compartment, lasts over 20000km under normal driving conditions)
electro-hydraulic power-assisted steering
Engine is mounted in (in order of appearance):
2nd generation Mazda 6 Atenza since November 2008 (High, Mid and Low power versions), MZR-CD 2.0-litre turbo diesel remains in the line-up in some markets
2nd generation Mazda 3 Axela (High and Standard power versions)
1st generation 2009 facelift Mazda CX-7
Engine is planned for (in order of appearance):
1st generation Mazda 5 Premacy (High, Mid and Low power versions)
Mazda 2.2 MZR-CD R2 engine has absolutely nothing to do with family of belt-driven PSA DW12B twin turbo engine, produced in Trmery or Ford Duratorq ZSD-422 VNT engine, produced in Dagenham.
Next generation 2.2 MZR-CD twin turbo called SKY-D
Introduced at the 41st Tokyo Motor Show
high fuel pressure common-rail system that controls piezo injectors
aluminium block
significantly reduced size and weight of reciprocating and rotating parts (aluminum block, lightweight pistons and connecting rods)
similar weight to the petrol version
wide-range, high volume EGR
two stage (twin turbo) turbocharger with high turbopressure over a broader engine rev range
PM oxidation catalyst-supported diesel particulate filter (DPF) with shorter regeneration
selective reduction system that adds aqueous urea to exhaust, and a NOx storage system for exhaust gas purification
20 percent better fuel efficiency than Mazda 2.2 MZR-CD
Y4
Mazda Y4 engine (called 1.4 MZ-CD or 1.4 CiTD) is rebadged PSA DV4 engine, produced in PSA engine plant in Trmery or Ford engine plant in Dagenham. These 1399 ccm SOHC 8-valve turbo diesel engines with bore 73.7mm, stroke 82mm and compression ratio 18.0:1 were shipped to Valencia) (now with Mazda 2 DE to Hiroshima or Hofu plants) and mounted into Mazda 2 DY and Mazda 2 DE together with 5-speed manual transmission. Engine has maximum power 50kW (68PS; 67hp) at 4000 rpm, maximum torque 160Nm (120lbft) Nm at 1750 rpm.
Engine features:
SOHC belt-driven
aluminium cylinder block with cast iron liners
dual-mass flywheel
drive by wire accelerator pedal
VNT turbocharger, without intercooling
Euro Stage III emission rating (Euro Stage IV with DPF system, catalytic additive in separate 1.8 L tank, refreshed every 60000km)
Y6
Mazda Y6 engine (called 1.6 MZ-CD or 1.6 CiTD) is rebadged PSA DV6 engine, produced in PSA engine plant in Trmery or Ford engine plant in Dagenham. These 1560 ccm DOHC 16-valve turbo diesel engines with bore 75.0mm, stroke 88.3mm and compression ratio 18.3:1 are shipped to Hiroshima and mounted into Mazda 3 Axela and Mazda 2 DE in three versions together with 5-speed manual (Getrag-Ford developed, J65M-R) or 4-speed automatic "Activematic" transmission:
66kW (90PS; 89hp) at 4000 rpm, 215Nm (159lbft) Nm at 1750 rpm
66kW (90PS; 89hp) at 4000 rpm, 205Nm (151lbft) Nm at 2000 rpm mounted in Mazda 2 DE
81kW (110PS; 109hp) at 4000 rpm, 240Nm (180lbft) Nm at 1750 rpm
Engine features:
DOHC belt-driven
aluminium cylinder block with cast iron liners
dual-mass flywheel
second generation Bosch common rail injection system with pilot injection phase and 1600 bar pressure
6-hole injectors
Bosch EDC16 powertrain control module
drive by wire accelerator pedal
Garrett GT15 (VNT15) turbocharger
large front mount intercooler (larger than 2.0 MZR-CD)
Euro Stage III emission rating (Euro Stage IV with DPF system, catalytic additive in separate 1.8 L tank, refreshed every 60000km)
V6
4.1L ZB - 4052cc -
5.5L ZC - 5494cc -
See also
Mazda F engine
Mazda MZR engine
Mazda engines
Categories: Mazda enginesHidden categories: Articles lacking sources from December 2009 | All articles lacking sources
Mazda Diesel Engine
By: qoqo
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