1971 Triumph Herald 1.3L Petrol · OTH 355J
1971 Triumph Herald (1.3L, petrol). First registered 01 Mar 1971. Recorded mileage 27,633 miles. MOT expired on 08 Jan 2025.
- Make & Model
- TRIUMPH HERALD
- Year / Origin
- 1971 · Oxford
- Safety Recall
- Unknown
- MOT Status
- Expired on 08 Jan 2025
- Road Tax
- —
- Recorded Mileage
- 27,633 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 1.3L
- Reliability Guide
- Common Faults
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OTH 355J Key Findings
- 3 MOT tests recorded
- Latest MOT passed on 09/01/2024
- 27,633 miles recorded at latest MOT
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
OTH 355J MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
3 MOT tests are recorded for this 1971 Triumph Herald (OTH 355J) between August 2022 and January 2024.
The record contains 3 passes and 0 failures.
No failures or advisories appear anywhere in the recorded tests, so the documented MOT record is relatively clean.
OTH 355J Mileage History
- 01/08/202227,566 mi
- 16/02/202327,594 mi+28 mi
- 09/01/202427,633 mi+39 mi
Average of roughly 47 miles per year across 3 recorded odometer readings.
Technical Specifications
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Identification & Status
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Known faults for Triumph Triumph Herald
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
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TRIUMPH HERALD Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 1971 model year cars.
- Front suspension brass trunnion seizure and kingpin fractureSerious
Like its Spitfire sibling, the Herald uses brass trunnions at the base of the front vertical links. Triumph engineers specified regular oiling with EP90 hypoid gear oil. Owners and workshops frequently mistook the nipples for grease points; heavy chassis grease cakes and solidifies inside the trunnion threads, preventing lubrication and accelerating thread wear until the vertical link snaps while cornering.
- Chassis outrigger corrosion and body tub saggingSerious
The Herald's steel double-backbone chassis extends outriggers sideways to mount the sills and passenger tub. Mud and salt flung from the wheels collect inside the hollow outriggers, rusting them out from within. When the outriggers collapse, the body tub loses structural support, causing doors to drop on their latches, sills to rot, and panels to rub.
- Crankshaft thrust washer wear and end-float damageSerious
Standard-Triumph four-cylinder engines (948cc, 1147cc, and 1296cc) incorporate two semicircular thrust washers flanking the centre main bearing. Prolonged driving with an engaged clutch or high mileage wears away the soft thrust bearing metal. If neglected, the washer drops out of its groove into the oil sump, allowing the crankshaft to grind directly against the engine block casting.
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