Husqvarna 4421-D/DX/DXL, 4421-G/GX/GXL owner manual Transmission, Rear differential

Gearcase Lubrication

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Figure 30 Front Differential Lubrication Level	Figure 31 Transmission Lubrication Level

Transmission:

Clean and install the drain plug (2) before filling the transmission with new lubricant (Figure 31). Tighten the drain plug to 96 in-lb (11 N·m). Remove the fill plug from the top of the transmission case and use a funnel to fill the transmission with lubricant. See Periodic Lubrication Schedule on page 36. Apply Loctite 567 to the threads of the fill plug and tighten to 21 ft-lb (28 N·m).

Check the level of lubricant at the level indicator plug (1). Apply Loctite 567 to the threads of the level indicator plug and tighten to 21 ft-lb (28 N·m).

Rear differential:

Clean and install the drain plug (2) and washer before filling the rear differential with new lubricant (Figure 32). Tighten the drain plug to 96 in-lb (10.8 N·m). Use a funnel to fill the differential through the lubricant level indicator hole

(1). See Periodic Lubrication Schedule on page 36. Apply Loctite 567 to the threads of the level indicator plug and tighten to 21 ft-lb (28 N·m).

HUV 4421 Owner’s Manual Page 45