A-NTT33-AI Brake Disc

One New Aftermarket Replacement Brake Friction Disc for Leyland and Marshall Tractors

This aftermarket replacement brake friction disc (part number NTT33 / A-NTT33-AI) is designed for the oil-immersed wet braking system used on Leyland Middleweight and Marshall tractors. The disc functions as the friction element within the axle-mounted wet brake assembly, providing reliable stopping force in demanding agricultural applications. Multiple discs are required per axle depending on model -- verify quantity needed before ordering.

Specifications

• Outer Diameter: 204 mm (8.03 in.)
• Splines: 22 tooth internal spline
• Spline OD: 60.5 - 61 mm
• Spline ID: 53.5 - 54.5 mm
• Thickness (new): 4.80 mm (0.189 in.)
• Minimum Thickness: 4.30 mm (0.170 in.)
• Lining Width: 17 mm
• Type: Oil-immersed (wet brake) friction disc

Compatible Models

Leyland Middleweight: 502, 602, 702 (4 discs per axle / 8 per tractor); 604, 704, 802, 804 (6 discs per axle / 12 per tractor)

Marshall: 502, 502 and related Middleweight wet brake models

Fits Ford / Fits Ford New Holland: 340, 420, 445, 515, 532, 535, 540, 545, 3000, 3055, 3900, 4000, 4100, 4140, 4200, 4330, 4340, 4400, 4410, 4500, 4600

Replaces Part Number(s):

NTT33, A-NTT33-AI, C5NN2A097B, 81802479, 86529646, 1802479

New aftermarket replacement part - not remanufactured, not used.