| Pneumo-Hydraulic Clutch Booster |
SAE J1602, ECE R13, ISO 7638 |
Aluminium alloy body, NBR seals, steel piston |
Bore: 1" – 1-1/4"; Air input: 6–8 bar |
Heavy trucks, tipper bodies, articulated dump trucks |
| Clutch Master Cylinder |
SAE J1154, ISO 4925, FMVSS 116 |
Cast iron body, EPDM/NBR seals, steel piston |
Bore: 3/4" (19mm) – 1-1/4" (32mm) |
Bulldozers, motor graders, rigid dump trucks |
| Clutch Slave Cylinder / Concentric Slave Cylinder |
SAE J1154, ISO 4925 |
Cast iron / aluminium alloy, EPDM seals |
Bore: 7/8" (22mm) – 1-1/8" (28mm) |
Wheel loaders, excavators, heavy trucks |
| Clutch Disc Assembly — Single Plate (Organic Facing) |
SAE J761, ISO 7801, FMSI |
Steel hub, organic friction lining, torsion springs |
OD: 330mm – 430mm; Hub spline to DIN 5480 |
Motor graders, rigid dump trucks, heavy trucks |
| Clutch Disc Assembly — Twin Plate (Cerametallic Facing) |
SAE J761, ISO 7801 |
Steel hub, cerametallic buttons, damper springs |
OD: 355mm – 430mm; Max torque: up to 2800 Nm |
High-torque applications: bulldozers, quarry trucks |
| Pressure Plate Assembly — Diaphragm Spring Type |
SAE J761, ISO 7801, DIN 74000 |
Grey cast iron cover (EN-GJL-250), spring steel diaphragm |
OD: 330mm – 395mm; Clamp load: 8–22 kN |
Trucks, articulated haulers, construction equipment |
| Release Bearing / Throw-Out Bearing |
DIN 628, ISO 281, SKF 7805 / FAG 829 series |
52100 bearing steel, grease-packed (NLGI 2) |
ID: 30mm – 65mm; OD: 62mm – 100mm |
All heavy vehicle clutch release mechanisms |
| Clutch Fork / Release Fork |
OEM dimensional spec, SAE J761 |
Drop-forged alloy steel (42CrMo4, Q+T condition) |
To suit 330mm – 430mm clutch assemblies |
Bulldozers, motor graders, rigid haul trucks |
| Spring Brake Chamber — Type 30/30 (Piggyback) |
FMVSS 121, ECE R13, SAE J1602, FMCSA 393.47 |
Aluminium housing, steel power spring, NBR diaphragm |
Effective area: 30 in² service + 30 in² spring |
Drive axles, articulated dump trucks, heavy trailers |
| Spring Brake Chamber — Type 24/24 |
FMVSS 121, ECE R13, SAE J1602 |
Aluminium housing, steel power spring, NBR diaphragm |
Effective area: 24 in² service + 24 in² spring |
Mid-range trucks, rigid dump trucks, cranes |
| Service Brake Chamber — Type 30 |
FMVSS 121, SAE J1602, ECE R13 |
Aluminium / steel housing, EPDM/NBR diaphragm |
Effective area: 30 in²; Stroke: up to 65mm |
Steer axles, tag axles, heavy truck front brakes |
| Service Brake Chamber — Type 16 |
FMVSS 121, SAE J1602 |
Aluminium housing, EPDM diaphragm, nylon push rod |
Effective area: 16 in²; Stroke: up to 57mm |
Light-medium commercial vehicle steer axles |
| Automatic Slack Adjuster — S-Cam Drum Brake |
SAE J1462, ECE R13, FMVSS 121, Haldex/Bendix type |
Forged steel body, helical worm gear, nylon housing |
Arm length: 5" – 7"; Spline: 28T or 10-spline |
Drive axles, articulated trucks, semi-trailers |
| Manual Slack Adjuster — S-Cam |
SAE J1462, ECE R13 |
Forged steel body, worm gear, pressed steel clevis |
Arm length: 5-1/2" – 6-3/4"; 28T spline |
Older heavy truck, bus, and trailer axles |
| Air Dryer Assembly with Desiccant Cartridge |
SAE J2514, ISO 12219-1, Wabco 4324102000 type |
Aluminium body, zeolite desiccant, integral heater |
Flow: 400–900 L/min; 12V or 24V heater |
All air-brake equipped heavy vehicles, compressors |
| Four-Circuit Protection Valve |
ECE R13, ISO 11992, Wabco 934 / Knorr AE4000 type |
Aluminium die-cast body, stainless check valves |
Ports: 1 inlet + 4 outlets; Max 10 bar |
Tractor air brake circuit protection, trailers |
| Quick Release Valve |
SAE J1270, ECE R13, Wabco 973 type |
Aluminium body, NBR valve disc |
1/4" to 1/2" BSP ports; Max 10 bar |
Spring brake release, parking brake circuits |
| Relay Valve — Double Check |
SAE J1270, ECE R13, Wabco 971 / Knorr AE4003 type |
Aluminium die-cast, NBR seals, stainless spring |
Flow: up to 4000 L/min at 6.5 bar; 1/2" ports |
Drive axle brake actuation, tractor-trailer circuits |
| Parking Brake Valve — Hand Control |
ECE R13, SAE J1271, Wabco 963 type |
Aluminium/nylon body, NBR seals |
Max inlet 10 bar; 3/8" BSP ports |
Heavy truck cab parking brake hand control |
| Brake Master Cylinder — Tandem Dual Circuit |
SAE J1154, FMVSS 116, ISO 4925 |
Cast iron body, EPDM cup seals, aluminium reservoir |
Bore: 19mm – 29mm; Reservoir: 250–500 ml |
Wheel loaders, rigid haulers, hydraulic excavators |
| Wheel Cylinder Assembly — Drum Brake |
SAE J1154, ISO 4925, ECE R90 |
Cast iron bore, EPDM cup seals, aluminium end caps |
Bore: 20mm – 50mm; Stroke: 25–70mm |
Heavy truck rear drum brake axles |
| Brake Caliper Assembly — Sliding Pin (Disc Brake) |
ECE R90, ISO 4925, SAE J1603 |
Grey cast iron (EN-GJL-250), EPDM piston seal |
Piston bore: 38mm – 60mm; 2-piston or 4-piston |
Articulated dump trucks, heavy equipment steer axles |
| Brake Drum — Rear Axle (Heavy Truck) |
SAE J695, FMSI ED-6, ECE R90, TS 16949 |
Grey cast iron EN-GJL-250, pearlitic matrix |
OD: 320mm – 508mm; Width: 120mm – 220mm |
Heavy trucks, tippers, rigid haul trucks, buses |
| Ventilated Brake Disc / Rotor |
ECE R90, SAE J2521, ISO 13042, DIN 26022 |
Grey cast iron EN-GJL-250, internal vane cooling |
OD: 305mm – 432mm; Thickness: 28mm – 45mm |
Articulated dump trucks, ADT steer/drive axles |
| Brake Pad Set — Low-Metallic / NAO Ceramic |
ECE R90, SAE J2784, FMSI, IATF 16949 |
Low-met or ceramic friction compound, steel back plate |
To suit 305mm – 432mm rotors; standard FMSI codes |
Articulated haul trucks, compactors, heavy equipment |
| Brake Lining Set — Riveted (Drum Brake) |
ECE R90, FMSI BL specifications, SAE J661 |
Woven asbestos-free (NAF) or sintered metallic |
Width: 80mm – 180mm; Length: 300mm – 650mm |
Rear drum brakes, heavy truck and trailer axles |
| ABS Wheel Speed Sensor — Passive (Inductive) |
ISO 11992, ECE R13, Wabco 441032202 type |
Ferrite core, copper coil, POM housing, stainless pin |
Output: 1.0V–1.5V peak; Cable: 1m – 4m PVC |
ABS-equipped heavy trucks, trailers, construction plant |
| Torque Converter Assembly — 3-Element |
SAE J643, ISO 14396, Allison/Twin Disc type |
Cast steel housing, aluminium impeller/turbine blades |
Size: 11" – 21" diameter; Stall torque: 500–5000 Nm |
Powershift transmissions: bulldozers, loaders, graders |
| Transmission Control Valve Body — Allison AT545 |
SAE J744, Allison OEM spec 29532271 |
Aluminium die-cast, NBR solenoid seals, steel spools |
4-speed automatic; Solenoids: 12V or 24V DC |
Allison AT/MT series transmissions in heavy plant |
| Planetary Gear Set — Ring Gear with Planet Carrier |
ISO 6336, DIN 5480, AGMA 2001, DIN 3962 Gr 6 |
Case-hardened 20MnCr5 steel, ground tooth flanks |
Module: 3–8; Ratio: 3.0:1 – 6.5:1 |
Final drives, winches, powershift transmissions |
| Sun Gear — Planetary Transmission |
ISO 6336, DIN 3962 Gr 6, AGMA 2001 |
Case-hardened alloy steel 17CrNiMo6, splined bore |
Teeth: 18–36T; Module: 3–8; Bore to DIN 5480 |
Powershift and automatic transmission final stages |
| Transfer Case Assembly — 2-Speed |
SAE J1892, OEM dimensional spec (Dana/Meritor type) |
Nodular iron housing (ASTM A536 Gr 65-45-12), steel gears |
Ratios: 1:1 and 1.9:1 – 3.0:1; SAE bell housing |
4WD rigid trucks, off-highway tractor-dozers |
| Propeller Shaft / Drive Shaft Assembly |
SAE J247, DIN 808, ISO 14399; Spicer/Dana series |
Seamless steel tube (SAE 1026), welded yokes (SAE 1045) |
Tube OD: 76mm – 165mm; Length: 500mm – 3000mm |
Front/rear drive axles on heavy trucks and plant |
| Universal Joint Cross Kit — Spicer 1310 Series |
SAE J247, DIN 808, Spicer 1310/1350/1410/1480/1810 |
Carburised alloy steel (8620H), needle roller bearings |
Series 1310 to 1810; Torque: 800–9000 Nm |
Drive shafts on all heavy equipment platforms |
| CV Joint Assembly / GKN-Type Constant Velocity Joint |
DIN 3998, ISO 6902, GKN Driveline spec |
Induction-hardened steel outer race, 6-ball cage |
Shaft dia: 28mm – 80mm; Max angle: 47° |
Wheel loader and grader steering/drive axles |
| Rear Axle Shaft — Full-Float Heavy Duty |
SAE J403, ASTM A434, SAE 4340H, DIN 743 |
Alloy steel 4340 / 30CrNiMo8, heat-treated, splined |
Shaft dia: 45mm – 90mm; Spline to SAE/DIN 5480 |
Full-float rear axles on heavy haul trucks, graders |
| Differential Assembly — Rear Drive Axle |
SAE J1127, ISO 3827; Dana/Meritor RT-46 type |
Nodular iron housing (ASTM A536), case-hardened bevel gears |
GVW rating: 20 t – 80 t; Open or limited-slip |
Single and tandem rear axles on rigid dump trucks |
| Ring & Pinion Gear Set — Hypoid |
AGMA 2001-D04, ISO 6336, DIN 3990 |
Case-hardened 8620 / 4820 alloy steel, Gleason-lapped |
Ratios: 3.07:1 – 7.17:1; Module 6–16 |
Drive axle differentials on heavy plant and trucks |
| Planet Carrier / Differential Cage Assembly |
ASTM A536 Gr 80-55-06, ISO 6336 |
Ductile iron (EN-GJS-600-3), machined bores |
OD: 180mm – 450mm; Planet count: 3 or 4 |
Planetary final drives, powershift transmissions |
| Output Shaft Seal — Transmission / Transfer Case |
ISO 6194, DIN 3760, SAE J946 |
FKM (Viton) or NBR lip, stainless garter spring |
Shaft: 40mm – 120mm; Temp: –40°C to +160°C |
Transmission output, axle pinion, transfer case |
| Transmission Oil Cooler — Shell-and-Tube |
SAE J2012, ISO 4399, ISO 6945 |
Copper tubes, brass headers, steel shell |
Capacity: 30–150 kW; Oil flow: 30–200 L/min |
Powershift and automatic transmissions in hot climates |
| Final Drive Assembly — Crawler Excavator (Komatsu PC200 Type) |
ISO 3457, OEM dimensional spec (PC200/PC210 series) |
Nodular iron housing, case-hardened planetary gears |
Ratio: 55:1 – 72:1; Torque: 80–200 kNm output |
20t–30t class crawler excavators |
| Final Drive Assembly — Bulldozer (Komatsu D65/D85 Type) |
ISO 3457, OEM dimensional spec (D65/D85 series) |
Cast steel housing, carburised planetary stages, FKM seals |
2-stage planetary; Torque: 150–350 kNm output |
Medium and large crawler bulldozers |
| Travel Motor Sprocket — Excavator |
ISO 3457, DIN 8187, SAE J1289 |
Carbon steel (SAE 1045), induction-hardened teeth (HRC 50–58) |
Teeth: 17T – 25T; Pitch: 135mm – 228mm |
Crawler excavators 13t – 90t class |
| Track Chain Assembly — Triple-Grouser Shoe |
ISO 3457, SAE J1289, JIS B3404 |
Alloy steel track links (boron steel, HRC 35–40 core) |
Pitch: 101mm – 228mm; Shoe width: 400mm – 900mm |
Crawler excavators, bulldozers, crawler cranes |
| Track Roller / Bottom Roller — Double Flange |
ISO 3457, SAE J1289, OEM dimensional spec |
Carbon steel shell (induction hardened), oil-filled sealed bearings |
Flange OD: 140mm – 260mm; Shaft dia: 55mm – 90mm |
Undercarriage of all crawler machines, 8t – 100t |
| Carrier Roller / Top Roller — Single Flange |
ISO 3457, OEM dimensional spec |
Carbon steel (induction hardened tread), oil-sealed bearings |
OD: 130mm – 220mm; Shaft dia: 45mm – 75mm |
Track support on crawler excavators and bulldozers |
| Front Idler Assembly with Yoke & Guide |
ISO 3457, SAE J1289, OEM dimensional spec |
Cast steel (ASTM A216 WCB), oil-sealed journal bearings |
OD: 380mm – 700mm; Width: 140mm – 380mm |
Front track tensioning on crawler excavators, dozers |
| Recoil Spring & Track Adjuster Assembly |
ISO 3457, OEM dimensional spec |
Alloy steel coil spring (54SiCr6), hydraulic grease cylinder |
Spring load: 50–350 kN; Stroke: 100–250mm |
Track tension adjustment, absorbs undercarriage shock |
| Sprocket Segment — Split-Type Excavator |
ISO 3457, DIN 8187, OEM dimensional spec |
Boron steel (induction-hardened, HRC 52–58), bolt-on type |
4-, 5-, or 6-segment; Pitch: 135–203mm |
Crawler excavators and dozers — field-replaceable |
| Track Shoe Bolt & Nut Set |
ASTM A354 Gr BD, DIN 933 / DIN 982, ISO 898-1 Cl 10.9 |
Alloy steel (Gr 10.9), phosphate + oil coating |
M16 – M24; Length: 45mm – 80mm; packed per 100 sets |
Track shoe attachment on all OEM undercarriage systems |
| Hydraulic Steering Cylinder — Articulated Frame |
ISO 6020-2, ISO 6022, SAE J743 |
Honed steel tube (St52 / S355J2), chrome-plated piston rod |
Bore: 80mm – 180mm; Stroke: 200mm – 600mm; 250 bar |
Articulated dump trucks, wheel loaders, motor graders |
| Power Steering Pump — External Gear Type |
ISO 4413, SAE J900, ISO 4399 |
Aluminium body, sintered steel gear set, NBR seals |
Displacement: 10–30 cc/rev; Max pressure: 180 bar |
Hydraulic power steering on trucks and plant equipment |
| Tie Rod End Assembly — Heavy Duty |
SAE J490, DIN 71752, ISO 8316 |
Forged steel housing (42CrMo4), hardened alloy ball pin |
Ball-pin dia: 22mm – 45mm; Thread: M22–M36 |
Rigid frame heavy trucks, bus, and off-highway plant |
| King Pin Kit with Bronze Bushings & Thrust Washers |
DIN 71752, ISO 7649, SAE J490; Meritor/Dana spec |
Alloy steel pin (case-hardened 18CrNiMo7-6), tin-bronze bushings |
Pin dia: 30mm – 58mm; Fit per ISO H7/m6 |
Steer axles on rigid haul trucks, buses, heavy plant |
| Wheel Hub Bearing Assembly — Tapered Roller |
ISO 281, DIN 628, ABMA Std 11, SAE J1062 |
52100 bearing steel, NLGI 2 EP grease packing |
Bore: 60mm – 130mm; Timken LM/HM series |
Steer axle and drive axle wheel hubs — all heavy plant |
| Drag Link Assembly with Rod Ends |
SAE J490, DIN 71752, MIL-B-81819 |
Seamless steel tube, forged alloy end fittings, grease nipple |
OD: 38mm – 60mm; Length: 600mm – 1400mm |
Steering linkage on rigid heavy trucks and bus chassis |
| Steering Gearbox — Recirculating Ball (ZF Type) |
ISO 4413, ZF 8098 / 8099 series spec |
Cast iron housing, hardened steel worm/sector shaft |
Ratio: 16:1 – 24:1; Input torque: up to 250 Nm |
Rigid frame trucks, semi-trailers, bus applications |
| Hydraulic Gear Pump — Tandem / Through-Drive |
ISO 4413, SAE J744, Parker PGP/PGM series type |
Aluminium body, hardened steel gears, shaft-seal FKM |
Displacement: 8–100 cc/rev; Max pressure: 250 bar |
Main hydraulic circuit on excavators, loaders, cranes |
| Hydraulic Axial Piston Pump — Variable Displacement |
ISO 4413, SAE J744, Bosch-Rexroth A10VO / Kawasaki K3V type |
Steel barrel, chrome-plated pistons, bronze swash-plate |
Displacement: 28–180 cc/rev; Max pressure: 350 bar |
Main pump on large excavators (20t – 90t), dozers |
| Hydraulic Orbital Motor — Low-Speed High-Torque |
ISO 4413, SAE J744, Danfoss OMT/OMS/OMR series type |
Cast iron housing, orbital gerotor, roller stator |
Displacement: 50–800 cc/rev; Max torque: 5500 Nm |
Winch, conveyor, auger, and wheel-drive motors |
| Hydraulic Boom Cylinder — Double-Acting |
ISO 6020-2, ISO 6022, EN 15567 |
Honed steel tube (St52), hard-chrome rod (Ra < 0.4 µm) |
Bore: 80mm – 200mm; Stroke: 600mm – 2000mm; 350 bar |
Excavator boom and arm, crane fly-jib, loader lift arm |
| Directional Control Valve — Proportional Monoblock |
ISO 4411, DIN 24340, DIN ISO 1219 |
Ductile iron body, hardened spool (58–62 HRC), NBR seals |
Flow: 80–400 L/min; Pressure: up to 350 bar; 12V/24V solenoid |
Excavator / loader main hydraulic circuit control |
| Hydraulic Seal Kit — Complete Cylinder Rebuild |
ISO 4968, ISO 10100, Parker / NOK / Trelleborg type |
Polyurethane (PU) wiper/piston seal, NBR O-rings, PTFE backup |
Rod dia: 40mm – 160mm; Temp: –35°C to +100°C |
All hydraulic cylinder rebuilds on excavators and cranes |
| Hydraulic Return-Line Oil Filter — Spin-On |
ISO 16889, DIN 24550, Beta-10 > 200 (c10 = 200) |
Cellulose-glass fibre media, steel canister, FKM seal |
Flow: 100–500 L/min; Collapse pressure: 10 bar |
Return-line filtration on all heavy equipment hydraulic systems |
