Circular Ref. No. 25 / 2013 Date: 31.07.2013 To: All Dealers & Service Centers Dear All, We are pleased to share following product improvements to in our regular commercial production:- A) Subject: Bevel pinion housing improvement Models effected: PT Robust Axle 445 / 4455 only below F-codes F Code: F10013170 / F10013190 / F10013210 / F10013510 / F10013760 / F10013770 / F10013780 / F10013800 / F10013830 / F10013880 Trans 055 T3205248 09.04.13 Earlier material was GREY CAST IRON 210-FG260. Material changed to SG IRON 1865 - SG500/7 to improve strength. Radius introduced for identification. Old Part No. New Part No. Part Description:- Interchangeability - Yes D10004330 D10308910 HOUSING ASSEMBLY BEVEL PINION BEARING
B) Subject: Introduction of Organic Clutch Plate in Dual Clutch Assembly Models effected: PT 439 DC Trans 056 T3204956 01.04.13 Earlier used Fan type Cerametallic Clutch Plate Organic Clutch plate introduced for reliability Old Part No. New Part No. Part Description:- Interchangeability Yes D10134810 D10206280 CLUTCH ASSEMBLY DUAL 11x11 (ORGANIC DISC) - D10290530 SHAFT DUAL CLUTCH RELEASE - D10290540 LEVER DUAL CLUTCH RELEASE D10031410 D10290520 SHAFT AND LEVER ASSEMBLY DUAL CLUTCH RELEASE
C) Subject: Gear Shifting Improvement Models effected: All PT Side Shift Trans 057 T3212537 10.07.13 Extra travel of 16.0 mm was causing stuck up of 1 st gear. Stopper added in gears for restricting excess travel of coupling in 1st, 2nd & 3rd gear. Now sleeve will move up to 12.0 mm only. Old Part No. New Part No. Part Description:- Interchangeability - No No Change -
D) Subject: Reverse Gear failure in puddling application Models effected: FT 45 OIB puddling special Trans 058 T2278379 25.04.13 Earlier reverse gear of 32 Teeth and Reverse idler of 31 Teeth (Low Reverse was 4.05 kmph and High Reverse was 14.45 kmph. Now Reverse gear of 42 Teeth and Reverse idler of 28 teeth (Low Reverse 3.09 kmph and High Reverse 11.02 kmph). Also Idler shaft position shifted for according to change in gear profile. Old Part No. New Part No. Part Description:- Interchangeability - No D10000050 D10290230 CASE ASSEMBLY TRANSMISSION D10000250 D10253090 GEAR ASSEMBLY TRANSMISSION REVERSE IDLER (Z-28) D10000410 D10253020 GEAR TRANSMISSION REVERSE SPEED (Z-42) D10000600 D10253530 FORK TRANSMISSION GEAR SHIFT 2nd AND REVERSE SPEED D10000680 D10254450 FORK TRANSMISSION GEAR SHIFT 4th SPEED D10000590 D10081570 D10253520 D10294500 RAIL TRANSMISSION GEAR SHIFT 2nd AND REVERSE SPEED RETAINER ASSEMBLY TRANSMISSION OUTPUT SHAFT BEARING D10001070 D10183720 GASKET TRANSMISSION OUTPUT RETAINER
E) Subject: Reverse Gear material improved for Puddling application Models effected: PT 439 LMX DS+ - South Special (F10013870) Trans 059 T3205038 09.04.13 Earlier Gear Material was used STEEL, IS4432-16Mn Cr4-S Gear Material changed to STEEL, IS4432-15Ni5Cr4Mo1 & Groove introduced for identification Old Part No. New Part No. Part Description:- Interchangeability - Yes D10111960 D10307650 GEAR REVERSE IDLER TRANSMISSION (Z-16/19)
F) Subject: Link Assembly Hydraulic Lift Draft Control Profile Modified Models effected: PT TLS Hyd 031 T3212411 26.06.13 Earlier Link profile and thickness has been changed for better reliability. Old Part No. New Part No. Part Description:- Interchangeability - No D10200200 - LINK ASSEMBLY HYDRAULIC LIFT DRAFT CONTROL
G) Subject: Live Lubrication Pipe Improvement Models effected: FT 6060 / 6065 PT4455 Engine 038 T2284030 16.06.13 & T3211771 16.06.13 Earlier Pipe thickness 0.7 mm Pipe thickness increased 1.0 mm for better strength Old Part No. New Part No. Part Description:- Interchangeability - Yes D10251270 - PIPE FUEL INJECTION PUMP LUBRICATION
H) Subject: Power Steering Pipe Improvement Models effected: FT 45 EPI - Power Steering FT 60 EPI - Power Steering Tract 137 T2283741 20.06.13 Earlier Copper coated steel tube CDS(Cold drawn seamless) steel tube introduced for better reliability Old Part No. New Part No. Part Description:- Interchangeability - Yes D10162730 D10312940 TUBE ASSEMBLY LEFT TURN POWER STEERING D10162740 D10312950 TUBE ASSEMBLY RIGHT TURN POWER STEERING D10313730 - TUBE ASSEMBLY CONNECTING TO STEERING MOTOR RETURN TUBE D10162770 D10315730 TUBE ASSEMBLY PRESSURE HYDRAULIC PUMP REAR OUTLET TO STEERING MOTOR
I) Subject: Fuel Tank Neck Improvement Models effected: FT 45 EPI FT 60 EPI FT 6060 / 6065 Tract 138 T2282730 12.06.13 Earlier fuel tank neck was not extended inside the fuel tank Fuel tank neck extended 50.0 mm inside to prevent diesel splashing and pilferage. Old Part No. New Part No. Part Description:- Interchangeability - No D10168460 - FUEL TANK ASSEMBLY D10167550 - FUEL TANK ASSEMBLY
J) Subject: Square Type Stay Bar Locking Improvement Models effected: FT 45 / 60 Tract 139 T2282425 10.06.13 Earlier used pin & chain Lynch pin introduced for positive locking Old Part No. New Part No. Part Description:- Interchangeability - No D10295160 D10295120 D10313590 PIN AND RING ASSEMBLY LYNCH D10294970 - STAY BAR ASSEMBLY LH (SQUARE TYPE) D10294980 - STAY BAR ASSEMBLY RH (SQUARE TYPE)
K) Subject: Lower Link Mounting Improvement Models effected: FT 6060 FT 6065 SMX Tract 140 T2279253 13.05.13 Earlier lower link mounting bush height was 25.0 mm Lower link mounting plate bush height reduced 3.5 mm resulting in increased engagement of bolts Old Part No. New Part No. Part Description:- Interchangeability - Yes D10147660 - SUPPORT HYDRAULIC LIFT LOWER LINK MOUNTING D10039480 - SUPPORT LOWER LINK MOUNTING
L) Subject: Brake Switch Improvement Models effected: All POWERTRAC Tract 141 T3209984 30.05.13 Earlier Spring Type NC(Normally closed) Type introduced for better reliability Old Part No. New Part No. Part Description:- Interchangeability - Yes D10211140 D10308040 BOARD ASSEMBLY RUNNING RH D10015720 D10279580 SWITCH ASSEMBLY STOP LAMP NC TYPE D10189310 - PLATE STOPPER D10291350 - PEDAL ASSEMBLY BRAKE RH
M) Subject: Front Axle Improvement - Fixed Type Models effected: PT 434 / 439 Tract 142 T3209984 30.05.13 Center Plate Length Increased for better strength Old Part No. New Part No. Part Description:- Interchangeability - Yes D10207430 - SUPPORT AND FRONT AXLE CENTRE ASSEMBLY (SDA)
N) Subject: Drag Link Assembly Improvement Models effected: FT 60EPI / 65EPI / 70EPI / 80EPI FT-45/60 Power Steering Tract 143 T2282544 10.06.13 & T2278547 06.05.13 Earlier cylinder mounting bracket welded on ring of drag link Additional plate welded on ring for better strengthen Old Part No. New Part No. Part Description:- Interchangeability Yes (Except EPI) D10193780 D10308980 LINK ASSEMBLY STEERING DRAG 1038MM (POWER STEERING) - D10308440 LINK ASSEMBLY STEERING DRAG 1051MM (POWER STEERING)
O) Subject: Fan Material Improvement Models effected: FT 30 / 35 PT 434 / 439 / 445 All JKS PT 434 DS+ Tract 144 T2280287 22.05.13 & T3209156 (434 VMX) T3205146 (439 VMX & 434 DS+) T3209252(445 VMX) 27.05.13 Earlier material used PP- 10% GF Material has been changed to Nylon 66-15 GF for better strength Old Part No. New Part No. Part Description:- Interchangeability - Yes D10123410 D10199710 FAN ASSEMBLY WATER COOLING
P) Subject: Fuel Tank Cap Improvement Models effected: All FARMTRAC Tract 145 T2282157 07.06.13 Two seals used - one of 3.0 mm & second of 1.0 mm Single seal 4.0 mm introduced for better sealing Old Part No. New Part No. Part Description:- Interchangeability - YES D10019100 - CAP AND KEY ASSEMBLY FUEL TANK Please update your workshop staff on the above changes and cut-off numbers. For Escorts Limited, Ajay Dua Head - Warranty & Product Reliability