Product Specifications
SHEHWA SD7/SD7K(0T16016)front idler assembly
Here's the detailed technical information for the HBXH SD7 0T16016 Idler (commonly used in Allis-Chalmers SD7 bulldozers and compatible equipment):
HBXH SD7 0T16016 Idler Specifications
1. Basic Identification
Part Number: 0T16016 (HBXH numbering system)
OEM Equivalent: Allis-Chalmers 209048 (wheel only)
Type: Front idler (track tensioning)
Compatible Models:
Allis-Chalmers SD7/SD7B dozers
Fiat-Allis HD21B (verify dimensions)
Some Dresser TD15E applications
2. Technical Dimensions
| Parameter | Measurement | Tolerance |
|---|---|---|
| Outer Diameter | 610 mm (24") | ±1.5 mm |
| Width | 500 mm (19.7") | ±0.5 mm |
| Bore Diameter | 120 mm (4.72") | +0.05 mm |
| Flange Thickness | 32 mm (new) | - |
| Bolt Circle Diameter | 300 mm | ±0.2 mm |
3. Material & Construction
Wheel Material: Cast ASTM A148 90-60 steel
Flange Hardness: 350-400 HB
Bearing Type: Tapered roller (Timken 25580/25520 set)
Seal System: Double-lip nitrile rubber
4. Load Ratings
Static Load Capacity: 14,000 kg
Dynamic Load Rating: 9,500 kg at 5 km/h
Maximum Impact Load: 22,000 kg (momentary)
Replacement & Cross-Reference
Aftermarket Equivalents
| Manufacturer | Part Number | Price Range (USD) |
|---|---|---|
| Berco | AC-SD7-ID-F | 2,100 |
| ITR | ITR-SD7-160 | 1,800 |
| VSE | VSE-0T16016 | 1,500 |
Bearing & Seal Kit
Bearing Set: Timken 25580/25520 (~$240/set)
Seal Kit: Chicago Rawhide 473546 (~$95)
Installation Data
| Fastener | Torque Spec | Thread Compound |
|---|---|---|
| Mounting Bolts (M24) | 450 Nm (332 lb-ft) | Loctite 243 |
| Adjuster Nuts | 350 Nm (258 lb-ft) | Anti-seize |
| Grease Fitting | 1/4"-28 Zerk | - |
Grease Specification:
Type: NLGI #2 EP lithium complex
Capacity: 380-420cc per service
Interval: Every 50 service hours
Wear Limits & Maintenance
| Component | New Dimension | Replace At |
|---|---|---|
| Flange Thickness | 32 mm | ≤16 mm |
| Bore Diameter | 120 mm | ≥120.15 mm |
| Bearing Play | 0.2-0.5 mm | ≥1.2 mm |
Service Tips:
Always pre-fill bearings with grease before installation
Use dial indicator to check radial runout (<0.8 mm)
Mark bolt positions for proper re-torquing after 10 hours
Where to Source
Specialist Suppliers:
CQC-TRACK
DPW-PARTS
OEM Alternatives:
AGCO Allis parts network (limited availability)
Fiat-Allis legacy parts programs
Troubleshooting Guide
| Symptom | Diagnosis | Solution |
|---|---|---|
| Track misalignment | Worn flanges | Replace idler |
| Grease leakage | Seal damage | Install CR 473546 kit |
| Intermittent binding | Dry bearings | Disassemble and repack |
| Vibration | Out-of-round wheel | Machine shop repair |
Note: The HBXH 0T16016 is a quality aftermarket replacement, but always:
Verify track chain pitch matches (216 mm standard)
Check adjuster mechanism compatibility
Compare flange profile to original
For exact confirmation, provide:
Your machine serial number
Current idler photos (showing wear pattern)
Track shoe width (500mm or 700mm)
Bulldozers part number:
10Y-40-03000, 16Y-40-03000, 144-30-00038, 154-30-00291, 175-30-00572, 154-30-00770, 175-30-00575, 203-30-56100, 20Y-30-00030, 20Y-30-00322, 207-30-00161, 207-30-00160, 208-30-00200, 208-30-00222, 0A23148, 0T16016, 9066393, 9176864，1028151， 16Y-40-09000, 16Y-40-10000, 16Y-40-06000, 155-30-00114, 155-30-00124, 155-30-00231, 14X-30-00160, 14X-30-00081, 14X-30-00091, 14X-30-00140, 154-30-00770, 155-30-00118, 155-30-00128, 155-30-00233, 175-30-00575, 175-30-00489, 175-30-00499, 175-30-00517, 175-30-00513, 17A-30-00080, 17A-30-00040, 195-30-00284 , 195-30-00336, 195-30-00346, 195-30-00106, 20Y-30-00030, 20Y-30-00011, 20Y-30-00022, 207-30-00160, 207-30-00150, 207-30-00140, 208-30-00200, 208-30-00210, 208-30-00340, 0T16302, 0T16313, 0A45065, 0A45066, 0A23160 20Y-32-02001, 20Y-32-02011, 207-32-03900, 208-32-03011, 14X-32-01120, 154-32-04071, 175-32-04003, 175-32-01712, 20Y-32-00013, 207-32-00310, 203-32-00102, 208-32-00300, 208-32-00330, 14Y-30-00010, 14X-32-00010, 154-32-00400, 175-32-00117, 175-32-00403, 8069128, 9206398,195-32-11450, 170-32-11114, 154-32-11113,14X-32-11360, 14X-32-11370,130-32-11270, 130-32-11280 16Y-41E-00000, 216MA-39156, 228MC-41156, 10Y-41-00000, 16Y-41-00000, 154-32-11006, OT16016130-27-61710, 10y-18-00011, 10Y-18-00012, 10Y-18-00013, 16Y-18-00014, 141-27-32411, 14X-27-15122,6T4179,6Y2931,154-27-12273,154-27-12283, 154-27-12293, 8E4675, 175-27-22325, 6T6782,31Y-18-00014, 195-27-12467, 195-27-12463, 195-27-12465, 195-27-12466, 195-27-12462, 10Y-18-00013, 10Y-18-00012, 0A21036, 0T05033
201-27-D1110,203-27-D1110,20Y-27-D3060,207-27-61210,207-27-71460, 208-27-61210, YY51D01006P1, YN51D01015P1A, LQ51D01007P1A, LC51D01008P1, LS51D01001P1A, 8E9805, 6Y2898, 7YD879, 1010203, 1018740, 1022168, 1033091, 1033596, 14532385, 14532401, 14532419, 81EM-10012, 81N8-10012-C3, 108-00018A175-15-00226, 175-15-00216, 175-15-00000, 16Y-75-10000, 10Y-15-00000, 154-15-41002, 6710-23-4000A, 16Y-15-00000, 154-15-31000, 16Y-15-00000 ,6710-23-4000,23Y-01B-00000, 10Y-11B-00000, 144-15-00120, 144-15-00019,144-15-00018, 14G-15-00016, 14G-15-00015,14G-15-00014, 144-15-00013, 144-15-00012,, 144-15-00011, 144-15-00010,14G-15-00010, 175-15-00219, 175-15-00218, 175-15-00217, 175-15-00216, 175-15-00215, 175-15-00214, 175-15-00213, 175-15-00212, 175-15-00211, 175-15-00225, 175-15-00224, 175-15-00223, 175-15-00222, 175-15-00221,175-15-01220, 175-15-01221, 154-15-00017, 154-15-00016, 154-15-00015, 154-38-00020, 175-38-00074, 175-38-00073, 175-38-00072, 175-38-00071, 175-38-00070, 195-13-11005, 0A1300, 1F0800, 0T03000, 0T27000, 1T03000, TY160.1501, TY220.1501,
175-13-21007, 23Y-11B-00000, 16Y-11-00000, 10Y-11B-00000, 14X-13-00010, 144-13-00010, 144-13-11003, 144-13-11002, 175-13-21006, 175-13-21005, 175-13-21004, 175-13-21003, 175-13-00300, 175-13-00200, 154-13-00101, 154-13-00100, 154-13-41002, 154-13-41003, 195-13-11005, 1V2400, 1S0400,0T02000, 1T02000,TY130.13, TY220.13,
201-30-73101, 203-30-62001, 22B-30-12001, 21Z-30-11440, 206-30-55172, 206-30-55170, 20Y-30-32110, 9063666, 9090028, 1026777, 1015046, 2129-1261, 175-61-C1000, 175-61-12114, 10Y-40-12001, 16Y-40-11008,154-30-11752, 154-30-12770, 154-30-44210, 175-30-34190, 175-30-34180, 31Y-40-15004, VD32A30700100, VD23A30700100, VD22A40700100, VD16A40700100
