Case 21 Series Wheel Loader Brakes

Each number on the image is a "Ref #" that can be matched on the table below.

Case 21 Series Wheel Loader Brakes parts list
REF #	Image	Fits Model	Description	Part #	Price	Product Details
1	See Details	521D, 521E, 521F, 521G, 521G2, 621C, 621D, 621E, 621G, 621G2, 651G, 651G2, 721C, 721D, 721E, 721F, 721G, 721G2, 821C, 821E, 821F, 821G, 821G2, 921C, 921E, 921F, 921G, 921G2, 1021F, 1021G, 1021G2	Brake Ring	8603577	$74.00	View Info
2	See Details	521D, 521E, 521F, 521G, 521G2, 621C, 621D, 621E, 621G, 621G2, 651G, 651G2, 721C, 721D, 721E, 721F, 721G, 721G2, 821C, 821E, 821F, 821G, 821G2, 921C, 921E, 921F, 921G, 921G2, 1021F, 1021G, 1021G2	Sealing Ring	8605314	$70.00	View Info
3	See Details	621C, 621D, 621E, 621G, 621G2, 651G, 651G2, 721C, 721D, 721E, 721F, 721G, 721G2, 821C, 821E, 821F, 821G, 821G2, 921C, 921E, 921F, 921G, 921G2, 1021F, 1021G, 1021G2	Brake Sealing Ring	8605315	$78.00	View Info
4	See Details	521D, 521E, 521F, 521G, 521G2, 621C, 621D, 621E, 621G, 621G2, 651G, 651G2, 721C, 721D, 721E, 721F, 721G, 721G2, 821C, 821E, 821F, 821G, 821G2, 921C, 921E, 921F, 921G, 921G2, 1021F, 1021G, 1021G2	Brake Ring	8603579	$69.00	View Info
5	See Details	521D, 521E, 521F, 521G, 521G2, 621C, 621D, 621E, 621G, 621G2, 651G, 651G2, 721C, 721D, 721E, 721F, 721G, 721G2, 821C, 821E, 821F, 821G, 821G2, 921C, 921E, 921F, 921G, 921G2, 1021F, 1021G, 1021G2	Brake Piston Guide Ring	8603580	$58.00	View Info
6	See Details	335, 340, 340B, 521D, 621C, 621D, 621E, 721C, 721D, 721E, 821C, 821E, 921C, 921E	Brake Sealing Ring	8603583	$4.75	View Info
7	See Details	335, 340, 340B, 521D, 621C, 621D, 621E, 721C, 721D, 721E, 821C, 821E, 921C, 921E	Brake Pin	8603163	$19.00	View Info
8	See Details	335, 340, 340B, 521D, 621C, 621D, 621E, 721C, 721D, 721E, 821C, 821E, 921C, 921E	Brake Cup Spring	8603584	$2.50	View Info
9	See Details	521D, 621D, 621E, 721D, 721E, 821C, 821E, 921C, 921E	Brake Shim Plate	8603162	$104.00	View Info
11	See Details	521D, 521E, 521F, 521G, 521G2, 621C, 621D, 621E, 621G, 621G2, 651G, 651G2, 721C, 721D, 721E, 721F, 721G, 721G2, 821C, 821E, 821F, 821G, 821G2, 921C, 921E, 921F, 921G, 921G2	Brake Retainer Ring	8603585	$30.00	View Info
12	See Details	335, 340, 340B, 521D, 621C, 621D, 621E, 721C, 721D, 721E, 821C, 821E, 921C, 921E	Snap Ring, Brakes	8603788	$2.50	View Info
13	See Details	521D, 521E, 621D, 621E, 721D, 721E, 721F, 821C, 821E, 921C, W110, W110B, W110TC, W130, W130TC, W170B, W190B*, LW110.B, LW130.B, LW170.B	Brake Plate	8603582	$79.00	View Info
14	See Details	521D, 521E, 621D, 621E, 721D, 721E, 721F, 821C, 821E, 921C, W110, W110B, W110TC, W130, W130TC, W170B, W190B*, LW110.B, LW130.B, LW170.B	Outer Brake Plate (2mm Thick)	87441328	$78.00	View Info
15	See Details	521D, 521E, 521F, 521G, 621D, 621E, 621F, 621G, 721D, 721E, 721F, 721G, 821C, 821E, 921C, LW110.B, LW130, LW130.B, LW170.B, W110, W110B, W110TC, W130, W130B, W130C, W130TC, W170B, W170C, W170TC, W190B, W230C	Brake Friction Disc	87341835	$84.00	View Info
	See Details	621, 721, 821, W14, W14B, W18, W20B, W20C, W24C, W30	Brake Master Cylinder with Air Chamber	L113007	$1,120.00	View Info
	See Details	621, 721, 821, W14, W14B, W20B, W20C, W24C, W30	Brake Master Cylinder	N8695	$424.00	View Info
	See Details	621, 721, 821, W14, W14B, W20B, W20C, W24C, W30	Master Cylinder Rebuild Kit	N8937	$175.00	View Info
	See Details	W14, W14B, W20B, W20C, W30, 621	Rubber Diaphragm, Air Brake	N8698	$25.00	View Info
	See Details	W7, W7E, W8, W8B, W8C, W8E, W9, W9A, W9B, W9C, W9E, W10B, W10C, W10E W11, W11B, W14, W14FL, W18, W18B, W20	Brake Slave Cylinder	A12985	$78.00	View Info
	See Details	621 (After JAK0027127), 721 (After JAK0022629)	Brake Shoe	S301674	$55.00	View Info
	See Details	621 (After Serial Number JAK0027127), 721 (After Serial Number JAK0022629)	Brake Caliper Seal Kit	S301676	$94.00	View Info
	See Details	W14, W20B, W24C, 621 After Serial Number JAK0027127, 721 After Serial Number JAK0022629	Brake Piston	D77523	$44.00	View Info
	See Details	W14B, W18B, W20C, W24C, W30, (621 Before Ser# JAK0027127), (721 Before Ser# JAK0022628), (821 Before Ser# JAK0023970)	Brake Shoe	S300718	$55.00	View Info
	See Details	W14B, W18B, W20C, W24C, W30, 621 Before Serial Number JAK0027127, 721 Before Serial Number JAK0022628, 821 Before Serial Number JAK0023970	Brake Caliper Resealing Kit	N7964	$84.00	View Info
	See Details	W14B, W18B, W20C, W24C, W30, (621 Before JAK0027127), (721 Before Serial JAK0022628) , (821 Before Serial JAK0023970)	Brake Piston	N7963	$42.00	View Info
	See Details	621B, 621C, 721B, 721C, 821B, 821C	Brake Disc (4.5mm)	119430A1	$45.00	View Info
	See Details	621B, 621C (Before Serial Number JEE0123545), 721B, 721C (Before Serial Number JEE0123289), 821B, 821C (Before Serial Number JEE0155000)	Brake Disc (4mm)	119431A1	$20.00	View Info
	See Details	621B, 621C (Before Serial Number JEE0123545), 721B, 721C (Before Serial Number JEE0123289), 821B, 821C (Before Serial Number JEE0155000)	Brake Disc	119433A1	$48.00	View Info

Case 21 Series Wheel Loader Brake Parts

Case 21 Series wheel loader brake parts provide direct replacement components for inboard wet brake and axle-mounted braking systems used on mid- to large-frame loaders. This category fits Case 521D, 521E, 521F, 521G, 621C, 621D, 621E, 621F, 621G, 721C, 721D, 721E, 721F, 721G, 821C, 821E, 821F, 821G, 921C, 921E, 921F, 921G, and 1021F/1021G models (serial breaks apply on select machines). These Case 21 Series wheel loader brake parts are used to restore braking force, eliminate internal axle leaks, and correct worn friction stacks that cause slipping or inconsistent pedal response.

Fits:
521D, 521E, 521F, 521G
621C, 621D, 621E, 621F, 621G
721C, 721D, 721E, 721F, 721G
821C, 821E, 821F, 821G
921C, 921E, 921F, 921G
1021F, 1021G

Common Repair Issues

Reduced stopping power under load
Brake chatter or grabbing
Oil contamination from failed sealing rings
Worn friction discs and brake plates
Excessive brake stack clearance
Axle leaks at sealing and retainer rings

Parts Covered in This Category

Brake friction discs
Lined brake discs (ZF axles)
Brake plates (standard and 2mm outer plates)
Brake rings and sealing rings
Brake piston guide rings
Brake locking and snap rings
Brake shim plates
Brake pins and cup springs (Belleville washers)
Brake retainer rings

Key Notes:

Application: Inboard axle brake systems for Case 21 Series wheel loaders, including ZF-equipped axles.
Coverage: Includes friction discs, steel plates, sealing rings, shims, guide rings, and related hardware.
Material/Build: Hardened steel plates and precision-molded sealing components for proper stack height and sealing.
Function: Restores correct brake pack tension, sealing integrity, and consistent stopping performance.
Made In / Brands: Varies by part.

Why Choose Broken Tractor:

✅ Exact-Fit Brake Components for 21 Series Loaders
✅ Serial-Specific Coverage Where Required
✅ Heavy-Duty Replacement Parts for Axle Brake Systems