not suitable for 18 or early 20hp 570cc models
Donaldson - P822858
Jacobsen LF-3400 and LF-3800
smooth hydro automatic transmission and belt driven
Quickstart
Toro 42" Timecutter Zero-Turn Ride-on Bar Blade 131-3939-03 12V3520005F1CY1001 not suitable for 18 orReplaces OEM: 131 3939 03, STENS 330 532 Standard Pack: 1 Suits: Toro Timecutter Ride on 42" (1067 mm) cut zero turn models Z420, Z4200, 74720, 74721, 74722, 74723, 74725, 74760, 74760TA, 74765, 74766, 74766TA, 74784, 74785, 7478, Z4202, SS4200, MX4200, MX4250 models Specifications: 2 Required for 42" Cut Flat and fluted, right hand cut. Centre hole: 5 8" Length: 21 1 2" Thickness: 0. 157" Width: 2 1 4" Made from quality replacement parts Non genuine