Yanmar parts catalogue / 26706-120002 NUT, M12

26706-120002 NUT, M12 — YANMAR

Yanmar 26706-120002 NUT, M12 — position on the assembly diagram
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The part position is highlighted in red on the diagram
  • Part number: 26706-120002
  • Manufacturer: Yanmar
  • Name: NUT, M12
  • Weight: 15 g
  • Length: 20 mm
  • Width: 20 mm
  • Height: 10 mm

The diagram shows the assembly “Cylinder block” of the Yanmar 6NHL engine.

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Where part 26706-120002 is used

Yanmar part 26706-120002 is used in 81 engine models. Assemblies: bonnet, air cooler, gear housing and 194 more.

Engine assemblyDiagram pos.QtyEngine modelsCatalogue notes
Bonnet 5 8
Starting air main pipe 13 4
NO.2 fuel strainer(metal screen type)(mdo) 22 4
NO.2 fuel strainer(notch wire type)(MDO/7000SEC.OIL) 16 2
NO.1 fuel strainer(32A/40A) 18 2
Fuel inlet pipe(mdo) 16 4
Fuel feed pump & driving device(clkw.) 52 4
C.w.pipe(VTR354)(t/c ofw.side) 5 2
C.w.pipe(VTR354)(t/c ofw.side)(30-DEG.INCLINATION spec) 5 2
C.w.pipe(VTR354)(t/c ofw.side)(30-DEG.INCLINATION spec) 16 4
Gear housing 31 6
Fuel feed pump & driving device(cclkw.) 52 4
Fuel overflow pipe(f.i.valve return) 21 2
Manual control air check valve 14 2
  • Interchangeability: part is discontinued
Auto.control air check valve & check valve 31 2
Starting air main pipe 6 16
Air pipe(distributing valve-starting valve) 9 1
  • Not illustrated
Fuel overflow pipe(f.i.valve,f.i.pump) 28 5
Fuel overflow pipe(f.i.valve,f.i.pump) 32 1
C.w.pipe(VTR354)(t/c ofw.side) 16 4
Fuel overflow pipe(f.i.valve return) 18 8
Fuel overflow pipe(f.i.valve,f.i.pump) 35 1
Fuel main pipe & accumulator 43 2
C.w.collecting pipe(t/c ofw.side)(from E00137) 24 45
Exh.manifold cover(t/c fw.side) 21 34
L.o.suction pipe & l.o.pump suction pipe 10 6
L.o.pipe(valve rocker arm oiling)(up to E00145) 25 8
L.o.pipe(valve rocker arm oiling)(from E00149) 7 2
Air chamber cover & suc.press.reg.device 7 1
Fuel injection pump chamber cover(hfo) 14 16
Gear housing 20 2
Flywheel side cover & oil shield cover 5 4
Flywheel side cover & oil shield cover 10 2
L.o.pipe(valve rocker arm oiling)(from E00149) 20 8
C.w.pump(clkw.) 26 2
C.w.collecting pipe(t/c ofw.side)(up to E00136) 28 36
C.w.collecting pipe(t/c ofw.side)(up to E00136) 24 45
C.w.collecting pipe(t/c ofw.side)(from E00137) 28 42
Engine tool 78 2
C.w.collecting pipe(t/c fw.side)(from E00137) 28 42
C.w.collecting pipe(t/c fw.side)(from E00137) 24 45
C.w.pump(cclkw.) 26 2
C.w.collecting pipe(t/c fw.side)(up to E00136) 28 36
C.w.collecting pipe(t/c fw.side)(up to E00136) 24 45
C.w.pipe(VTR354)(t/c ofw.side) 30 6
Fuel pipe(feed pump-notch wire st.)(w emer.inlet) 9 12
Air duct b(a/c YPC190-CYLINDER)(t/c ofw.side) 17 24
Air duct a(VTR354-CYLINDER)(t/c ofw.side) 4 32
Air duct a(VTR354-CYLINDER)(t/c fw.side) 4 24
Air cooler(YPC190) 36 8
T/c washing device(2)(t/c ofw.side) 14 4
T/c washing device(2)(t/c ofw.side) 11 2
C.w.pipe(VTR354)(t/c fw.side) 28 4
C.w.pipe(VTR354)(t/c fw.side) 6 4
C.w.pipe(VTR354)(t/c ofw.side)(30-DEG.INCLINATION spec) 27 4
Blower washing device(t/c ofw.side) 13 2
Air cooler(YPC190) 17 60
Air duct b(a/c YPC190-CYLINDER)(t/c fw.side) 16 24
Mist breather pipe(gear housing side)(t/c fw.side) 10 8
Exh.manifold cover(t/c ofw.side) 22 36
Starting air main pipe 22 2
  • Interchangeability: additional part
Cylinder head(mdo) 60 16
Exh.manifold cover(t/c fw.side) 21-1 36
  • Interchangeability: quantity in the assembly changed
Cylinder head(hfo) 55 16
L.o.pipe(sanshin priming pump)(for b&k strainer) 16 4
L.o.pipe(sanshin priming pump)(for b&k strainer) 6 4
L.o.pipe(sanshin priming pump)(for b&k strainer) 22 4
L.o.pipe(mansei priming pump)(for b&k strainer) 11 32
L.o.pipe(sanshin priming pump)(for b&k strainer) 30 4
Bonnet 6 8
Bonnet 10 2
Air pipe(solenoid valve inlet) 7 1
Optional part 5 4
L.o.pipe(mansei priming pump)(for notch strainer) 9 2
Optional part 30 8
Fuel injection pump chamber cover(mdo) 8 16
  • Interchangeability: part is discontinued
Air pipe(solenoid valve inlet) 12 1
L.o.pipe(centrifugal strainer)(up to E00175) 11 1
L.o.pipe(generator bearing,sea water valve) 17 16
L.o.pipe(centrifugal strainer)(up to E00175) 16 1
L.o.pipe(sanshin priming pump)(for b&k strainer) 2 4
Foot plate & step(exhaust pipe side)(aux.engine) 7 12
Foot plate & step(exhaust pipe side)(aux.engine) 12 2
Fuel injection pump chamber cover(mdo)(auto decomp) 8 16
Decompression valve(mdo) 19 16
L.o.return pipe(b&k strainer-cmb)(from E00127) 8 4
Mist breather pipe(gear housing side)(t/c fw.side) 13 8
Foot plate & step(control side)(aux.engine) 18 16
NO.2 l.o.auto.self cleaning st.(b&k)(from E00127) 30 8
L.o.return pipe(notch strainer-cmb) 9 8
Mist breather pipe(gear housing side)(t/c fw.side) 19 16
L.o.return pipe(notch strainer-cmb) 16 8
L.o.pipe(cooler-pcv.) 16 4
Air duct b(a/c heater YPC190-H75-CYL.)(t/c ofw.side) 44 24
Lub.oil pump(clkw.) 53 2
Air duct b(a/c heater YPC190-H75-CYL.)(t/c fw.side) 42 24
Air duct b(a/c heater YPC190-H75-CYL.)(t/c fw.side) 41 24
Air cooler heater(YPC190-H75) 27 96
Bonnet 11 2
Air cyl. & link device(for a/c heater)(t/c fw.side) 38 2
T/c washing device(2)(t/c fw.side) 15 1
C.w.pipe(lo/c-a/c heater)(t/c fw.side)(for b&k st.) 16 4
Lub.oil pump(clkw.) 57 2
T/c washing device(2)(t/c fw.side) 18 1
L.o.pipe(pcv.-cylinder)(8N330L-UV,sv,ev) 8 4
  • Interchangeability: part is discontinued
Engine tool 108 1
  • Interchangeability: part is discontinued
Instrument board bracket(t/c fw.side)(main engine) 8 2
Foot plate & step(control side)(aux.engine) 10 1
  • Interchangeability: additional part
  • Interchangeable by simultaneous replacement with No.5-1,9,10.
Foot plate(control side)(main engine) 16 16
Pressure gauge pipe support(t/c ofw.side) 10 4
Pressure gauge pipe support(t/c fw.side) 10 4
Mist breather pipe(gear housing side)(t/c ofw.side) 10 8
Tension pulley(previous) 27 1
  • Interchangeability: part is discontinued
Fuel sediment strainer(100L) 58 8
Fuel pipe(feed pump-metal screen st.)(w emer.inlet) 8 12
Fuel pipe(feed pump-metal screen st.)(w emer.inlet) 19 4
Generator 5 1
Fuel sediment tank(100L) 25 4
Cover(v-belt:radiator spec. 23 2
Cover(v-belt:discharge spec.) 10 5
Lub. oil system 12 4
Fuel sediment tank(100L) 12 4
Fuel sediment tank(100L) 8 4
Fuel sediment tank(100L) 29 4
Lub.oil pump(cclkw.) 49 2
Foot plate(control side)(main engine) 8 1
  • Interchangeability: additional part
  • Interchangeable by simultaneous replacement with No.3-1,7,8.
F.i.pump overflow pipe & sump 11 1
Cooling water concentric pipe 16 4
C.w.pipe(air cooler out) 9 4
Air cooler 10 40
Cylinder block 14 2
Cylinder block 20 3
Cylinder block 23 2
Cylinder block 23 3
Cylinder block 26 2
Lub.oil pump 52 2
Lub.oil pump 37 1
Cooling water pump 29 2
Turbocharger(RH133) 23 2
Fuel pipe(engine-c.m.b.) & solenoid 5 8
Flexible joint & cover 5 8
  • OPTIONAL.
Flywheel & flexble joint 10 8
Gear housing cover 26 3
Cylinder block 17 2
Tension pulley(previous) 16 2
Bonnet 46 4
Flyweel 26 8
Generator ternator 5 1
Air starter(AM500-1A) 20 2
Option(caster,flange) 18 8
Option(caster,flange) 14 4
Cylinder head 35 12
Gear housing 7 2
Cylinder block 15 28
C.w.outlet orifice & eye flange 7 4
  • FRESH WATER 1-SYSTEM SPEC.Q'TY=4 FRESH WATER 2-SYSTEM SPEC.Q'TY=12
C.w.pipe(l.o.cooler inlet) 5 4
Cylinder head(8N330L-GV) 52 16
Exh.manifold(t/c fw.side) 49 29
Exh.manifold(t/c ofw.side) 46 8
Exh.manifold(t/c ofw.side) 54-1 2
  • Interchangeability: quantity in the assembly changed
  • Applies from: Engine No 00138
Fuel injection pump chamber cover(mdo) 8 16
  • Interchangeability: part is discontinued
  • Applies from: Engine No 00149
Foot plate & step(control side)(aux.engine) 10 1
  • Interchangeability: additional part
  • Applies from: Engine No 00143
  • Interchangeable by simultaneous replacement with No.5-1,9,10.
Cylinder head 46 12
C.w.pipe (c.w.pump-l.o.cooler) 5 4
C.w.pipe(c.w.pump inlet,thermostat) 4 4
C.w.pipe(c.w.pump-cylinder) 5 4
Air cooler 11 32
Blind cover(c.w.pump seat,l.o.main gallery) 4 3
Wiring 19 6
Tool 38 2
Fuel overflow pipe & overflow sump 32 3
Flywheel housing 21 2
Flywheel housing 17 16
Gear case & cover,oil shield cover,blank.cover 20 2
Gear case & cover,oil shield cover,blank.cover 31 6
Lub.oil pipe(turbocharger) 30 4
Fuel overflow pipe & overflow sump 40 4
Fuel pipe(strainer-main pipe-regurlating valve) 22 4
Lub.oil pipe(pump-cooler) 3 8
Lub.oil cooler 32 2
  • Interchangeability: part is discontinued
  • Applies from: date 1998.10
Lub.oil cooler 31 2
  • Interchangeability: part is discontinued
  • Applies from: date 1998.04
Lub.oil overflow pipe(strainer) 9 3
C.w.pipe(pump-air cooler-l.o.cooler) 7 3
Fuel main pipe 3 4
Cooling water pipe(pump outlet) 9 3
Cooling water pipe(pump outlet) 15 4
Exh.manifold(t/c ofw.side) 54 9
Exh.manifold(t/c ofw.side) 50 6
  • Not illustrated
Tension pully(radiator) 13 2
Fuel injection pump chamber cover(mdo) 8 16
  • Interchangeability: part is discontinued
  • Applies from: Engine No 00151
L.o.pipe(mansei priming pump)(for ihi strainer) 10 2
Air cooler 17 30
Damper mass cover(o.f.w.emergency use) 6 4
Lub.oil tank(f.i.pump oilling) 13 4
Starting air main pipe 22 2
  • Interchangeability: additional part
  • Applies from: Engine No 00161
Foot plate & step(control side)(aux.engine) 10 1
  • Interchangeability: additional part
  • Applies from: Engine No 00145
  • Interchangeable by simultaneous replacement with No.5-1,9,10.
Exhaust bend 12 2
Air duct(TF15) 19 2
Air duct(TF15) 16 2
Air cooler 10 44
Suction pipe(mixer:RU120A-2) 19 2
Lub.oil pipe(cooler-cylinder) 9 2
C.w.pipe(air cooler) 8 8
Lub. oil sump 12 8
C.w.pipe(c.w.pump-air cooler) 4 4
Exhaust bend 14 1
Lub. oil pipe(l.o.cooler-cylinder) 9 2
Lub. oil pipe(TF15) 14 1
C.w.pipe(lo/c-a/c)(t/c ofw.side)(for b&k strainer) 5 2
C.w.pipe(lo/c-a/c)(t/c fw.side)(for b&k strainer) 11 4
Air duct a(TPL65-CYLINDER)(t/c ofw.side) 8 24
Air duct b(a/c YPC212-CYLINDER)(t/c fw.side) 21 24
Air duct b(a/c YPC212-CYLINDER)(t/c ofw.side) 21 24
Flywheel side cover & oil shield cover,blank.flange 5 4
Air duct a(TPL65-CYLINDER)(t/c fw.side) 8 16
Air cooler(YPC212) 18 64
Exh.manifold(t/c ofw.side) 64 9
Exh.manifold cover(t/c fw.side) 21 36
Exh.manifold cover(t/c ofw.side) 21 36
Air cleaner&silencer(YAG20,25S 26 4
Breather(control side) 16 4
Lub.oil system 26 4
L.o.rriming pipe(w/common bed spec.) 29 1
Lub.oil system 12 4
L.o.pipe(TPL65)(t/c ofw.side) 18 4
L.o.pipe(TPL65)(t/c fw.side) 18 8
L.o.pipe(pcv.-cylinder)(8N330L-GV)(t/c fw.side) 8 4
L.o.pipe(pcv.-cylinder)(8N330L-GV)(t/c ofw.side) 8 4
  • Interchangeability: part is discontinued
Lub. oil strainer & by.pass strainer 16 3
C.w.pipe(c.w.pump inlet,thermostat) 12 4
Exh.manifold & connect.pipe,cover(t.fw.side) 42 24
C.w.pipe(air cooler) 7 4
Lub.oil cooler 21 8
Lub. oil sump 13 8
Suc.press.gauge pipe(RU120A-2) 26 14
Flywheel housing 16 2
Breather 16 4
Fuel pressure gauge pipe(f.o.chamber) 55 1
Fuel pressure gauge pipe(f.o.chamber) 46 3
Fuel pressure gauge pipe(f.o.chamber) 19 2
Tool(1) 46 1
Suc.press.gauge pipe(RU110) 26 4
Suc.press.gauge pipe(RU110) 28 4
Engine tool 71 2
Engine tool 51 1
Starting air main pipe 6 12
Air check valve(for auto.control)& mtg. bracket,bend,flange 30 2
Air pipe(distrib.valve-startiing valve) 9 1
Air cooler 17 26
Suc.press.gauge pipe(RU110) 30 4
C.w.pipe(c.w.pump-air cooler) 5 4
C.w.pipe(air cooler outlet) 10 2
C.w.pipe (c.w.pump-air cooler) 4 4
Fuel pressure gauge pipe(f.o.chamber) 14 1
Fuel strainer(single type) 17 2
Breather 17 4
Air cooler 7 32
Lub.oil pipe(l.o.sump-l.o.cooler) 26 4
  • NOT ILLUSTRATED.
Lub.oil pipe(l.o.sump-l.o.cooler) 20 4
  • NOT ILLUSTRATED.
Gear housing & flywheel housing 45 16
Gear housing & flywheel housing 7 8
Lub.oil strainer 16 3
Throttle & indicator 21 8
Suc.press.gauge pipe(TD10L) 23 2
Cylinder block 19 6
Lub.oil pipe & tank(h.o.governor) 40 4
Cooling water pump driving device 14 4
Cooling water pipe(1-line) 19 4
Cooling water pipe(2-line) 32 4
Cooling water pipe(2-line) 27 2
Fuel injection pump driving device 22 1
Cooling water pipe(1-line) 27 4
Cooling water pipe(1-line) 31 4
Cooling water pump driving device 12 6
Cooling water pipe(1-line) 35 4
Cooling water pipe(1-line) 6 4
Air check valve(for manual control),flange 14 2
Fo.chamber & fo.pipe(return pipe-pcv.-feed pump) 51 4
  • NOT ILLUSTRATED.
Air duct(a/b),turbo.ofw.side 9 8
Air duct(a/b),turbo.ofw.side 25 24
Air duct(a/b),turbo.fw.side 9 16
Air duct(a/b),turbo.fw.side 14 8
Air duct(a/b),turbo.ofw.side 5 16
Lub.oil pump 56 2
Lo.pipe(oil pan/strainer-cmb,priming pump) 24 4
  • NOT ILLUSTRATED.
Lo.pipe(oil pan/strainer-cmb,priming pump) 29 4
  • NOT ILLUSTRATED.
Lo.pipe(press.regulat.valve-cylinder) 7 4
Lo.suction pipe(semi-dry) 6 12
Air duct(a/b),turbo.fw.side 30 24
Air duct(a/b),turbo.fw.side 41 4
  • NOT ILLUSTRATED.
Cylinder head 53 12
Mist breather pipe ofw.side & flange(common eng.) 15 4
  • NOT ILLUSTRATED
Mist breather pipe ofw.side & flange(common eng.) 20 8
  • NOT ILLUSTRATED
Mist breather pipe ofw.side & flange(common eng.) 12 8
Suction bend & air chambr cover,suc.press.gauge pipe 13 1
Breather 10 4
Air cooler,blank.flange(square) & air cooler mtg.bracket 12 60
Turbo-charger mtg.bracket 14 4
Exh.manifold & connect.pipe cover(t.ofw.side) 42 24
Exh.manifold & connect.pipe,cover(t.fw.side) 26 16
Lo.pipe(oil pan/strainer-cmb,priming pump) 20 12
  • NOT ILLUSTRATED.
Lo.pipe(centrifugal strainer),centrifugal lo.strainer(GF200) 47 1
Fo.main pipe & accumulator 58 2
NO.2 fo.strainer 13 2
  • NOT ILLUSTRATED.
NO.2 fo.strainer 6 4
Fo.feed pump & driving device 59 4
Fo.overflow pipe & main pipe,fo.injection pipe overflow 22 6
Fo.overflow pipe & main pipe,fo.injection pipe overflow 25 2
Fo.chamber & fo.pipe(return pipe-pcv.-feed pump) 70 4
  • NOT ILLUSTRATED.
Fo.chamber & fo.pipe(return pipe-pcv.-feed pump) 74 2
  • NOT ILLUSTRATED.
Fo.overflow sump & float switch 7 4
Fo.overflow pipe(cyl.) & fo.overflow detect.device 21 4
  • NOT ILLUSTRATED.
Cw.pipe(air cooler in/outlet & air vent/drain rarge) 21 1
  • NOT ILLUSTRATED.
Cw.pipe(turbo.inlet/outlet),turbo.ofw.side 52 2
Cw.collect.pipe(parkerizing) 36 24
Cw.pump(fc),clkw. 11 8
Lo.pipe(valve rocker arm oiling & return pipe) 25 6
Lo.pipe(centrifugal strainer),centrifugal lo.strainer(GF200) 42 1
Cw.collect.pipe(parkerizing) 32 30
Cw.pipe(turbo.inlet/outlet),turbo.fw.side 8 4
Cw.pipe(turbo.inlet/outlet),turbo.ofw.side 8 4
Cw.pipe(turbo.inlet/outlet),turbo.ofw.side 42 4
Cw.pipe(turbo.inlet/outlet),turbo.fw.side 42 4
Flywheel side cover & oil shield cover,blank.flange 10 2

Other parts of the “Cylinder block” assembly, Yanmar 6NHL

  Open the assembly diagram