Railwheel Monitoring

Wheel S4-A3-L

Caution — Monitor

Coach S4 · Axle 3 · Left · 24 passes logged

Parameter Trends — Last 20 Passes

Impact Load

Caution

181kN

Flat Spot / Out-of-roundness

Caution

0.7mm

Wheel Diameter

Caution

838mm

Hot Axle Temp

Normal

54°C above ambient

Tread / Flange Wear

Normal

24.1mm

Pass History

24 total passes

DATE	SITE	IMPACT LOAD	FLAT SPOT	DIAMETER	HOT AXLE	VERDICT
Jul 29, 2026	WILD- 11	181 kN	0.7 mm	838 mm	54°C	Caution
Jul 21, 2026	WILD- 09	179 kN	0.6 mm	839 mm	53°C	Caution
Jul 13, 2026	WILD- 07	176 kN	0.6 mm	840 mm	52°C	Normal
Jul 05, 2026	WILD- 05	174 kN	0.5 mm	840 mm	51°C	Normal
Jun 28, 2026	WILD- 04	173 kN	0.5 mm	841 mm	50°C	Normal
Jun 20, 2026	WILD- 03	171 kN	0.4 mm	841 mm	49°C	Normal
Jun 12, 2026	WILD- 02	169 kN	0.4 mm	842 mm	48°C	Normal
Jun 04, 2026	WILD- 01	168 kN	0.4 mm	842 mm	48°C	Normal

Wear Projection

Diameter wear trending at -0.6 mm per 1,000 km. At current rate, condemning limit (825 mm) reached in approximately

~11 weeks

Recommended next checkAug 12, 2026

Last workshop visitFeb 03, 2026