1986 Case 170b Bolt Sizes & Torque Specs
Lug nut torque is not verified for this summary. Review the cited evidence and exact hardware application before installation.
This page distinguishes source-backed fields, unresolved conflicts and unverified legacy records for the 1986 Case 170b. Match the exact hardware and manual conditions before maintenance. A source for one field does not verify the other specifications.
For the 1986 Case 170b, fasteners follow application-specific metric or SAE standards typical of classic Case engineering. Always confirm spec against the factory service manual before tightening safety-critical fasteners (suspension, brake, steering, head bolts).
Common fastener categories on the 1986 Case 170b
- Wheel / lug nut torque and thread spec (covered above)
- Brake caliper bracket, mounting, and slide/guide-pin bolts are different fasteners. Confirm the exact axle, application and service-manual specification before reassembly.
- Engine oil drain plug torque and tool size when this vehicle has a verified drain-plug record
- Transmission pan, valve cover, and intake manifold bolts where the database has exact records
- Suspension control arm, sway bar, tie rod end and ball joint torque
- Spark plug torque only when a vehicle-specific spark-plug row is available
- Differential cover bolts (RWD/4WD only) and transfer case fasteners
Repair guidance for this model year
Heads up for 1986 Case 170b owners: Vehicles this age frequently have seized fasteners due to thread corrosion. Apply penetrating oil (PB Blaster, Kroil) 24 hours before any wrenching, and have a thread chaser on hand. Lug studs are particularly prone to thread damage at this age; if a nut spins on without engaging, the stud is stretched and must be replaced before the wheel goes back on.
Tools you will need
- Metric and SAE socket set (8mm-22mm plus 1/4"-7/8"), 6-point impact-rated
- Calibrated torque wrench (10-150 ft-lbs covers most automotive jobs; add a 0-250 ft-lbs wrench for truck lug nuts)
- Breaker bar (24" minimum) for initial loosening
- Penetrating oil (PB Blaster or Kroil) for any fastener over 5 years old
- Replacement washers, threadlocker, anti-seize, or dry-thread preparation only when the exact service procedure specifies them
Frequently asked questions
What is the lug nut torque on a 1986 Case 170b?
Specification not verified for this lug nut summary. Do not substitute another model year's value.
What socket size do I need for the 1986 Case 170b lug nuts?
Confirm the socket against the actual lug nut; no size is assumed here.
Are the 1986 Case 170b fasteners metric or SAE?
Metric and SAE hardware can both appear on one vehicle, depending on the component and exact application. Use the individually verified field and the actual fastener or service manual rather than inferring a standard from the model year, make or generation. Bolt-head markings can help identify the hardware at the bench.
Other Case 170b years
Same model, different model year — fastener spec may change. Always confirm against the year for your VIN.
→ 1986 Case 170b engine & transmission mount torque specs
18 recorded 1986 Case 170b fasteners
Per-field evidence and legacy records for the 1986 Case 170b. A verified torque does not verify socket size, thread or part number. Unverified records are not installation instructions; conflicting specifications are withheld.
Engine — 1986 Case 170b
Engine fastener records and field evidence for the 1986 Case 170b. Engine Mount Bolt (Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Engine Support Bracket (Block). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.
Hydraulic — 1986 Case 170b
Hydraulic fasteners on the 1986 Case 170b. Hydraulic Tank Mount (Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Hydraulic Motor Mount (Swing Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Main Pump Mount Bolt (Bell Housing). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Control Valve Mount (Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.
Drive — 1986 Case 170b
Drive fasteners on the 1986 Case 170b. Idler Mount Bolt (Track Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Track Motor Mount (Track Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Sprocket Bolt (Hub). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.
Cooling — 1986 Case 170b
Cooling fasteners on the 1986 Case 170b. Water Pump Mount (Block). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Fan Shroud Bolt (Radiator). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.
Structure — 1986 Case 170b
Structure fasteners on the 1986 Case 170b. Boom Foot Pin Lock (Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Swing Gear Case (Housing). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Swing Bearing Bolt (Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Swing Motor Mount (Swing Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.
Fuel — 1986 Case 170b
Fuel fasteners on the 1986 Case 170b. Fuel Tank Mount (Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Injection Pump Mount (Block). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Filter Base Mount (Block). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.
New to torquing wheels? Read our How lug nut torque works — the complete guide for star-pattern sequence, re-torque intervals, and how to read a lug spec — then compare any source-backed fields on this page with the actual hardware and service manual.
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