Engine Group 31HP

Item	Part No.	Description	Qty.

1	1-603610	Washer, Spring Disc 7/16	2
2	109-6874	Spacer, XP A/C Clutch Inner	1
3	3256-23	Washer, 5/16 SAE	2
4V	1-803050	Setscrew, 5/16-18 x 3/4	2
5	100-2436	Asm, Hood Air Intake W/Clamp	1
6	13-2840	Key, Machine 1/4 x 1/4 x 1 1/4	1
7	109-5584	Anchor, Clutch	1
8	103-1327	Filter, Air	1
9	1-303334	Washer, Spring Disc 5/16	4
10	103-0152	Keeper, Clutch	1
11	103-1326	Filter, Safety Air	1
12	109-6627	Kit, Clutch	1
13	103-6774	Sheave	1
14	103-1058	Bracket, Air Filter	1
15	109-5823	Hub, Adapter	1

Item	Part No.	Description	Qty.

16	109-1012	Plug, Oil Drain	1
17	109-5583-03	Bracket, Air Cleaner	1
18	103-5178	Asm, Canister Air Filter W/Hood	1
19	2412-42	Clamp, Hose	2
20V	322-5	Screw, HH 5/16-18 x 1	5
21	322-11	Screw, HH 5/16-18 x 2 1/4	1
22V	3212-5	Screw, HH 7/16-20 x 1 1/4	1
23	48-7710	Screw, HH M8-1.25 x 20mm	2
24V	3274-105	Screw, Button Head 7/16-14 x 1	1
25	98-5975	Washer, Spring Disc 3/8	2
26	322-10	Screw, HH 5/16-18 x 2	3
27	32128-20	Nut, Whizlock 5/16-18	6
28	109-4324	Asm, Hose Oil Drain	1
29	109-5585	Hose, Air Intake	1

Exmark black touch up spray paint – gloss black.

Use a Teflon Pipe Sealant or equivalent on threads.

VUse Pro-Lock, Nut Type (P/N 1-840022, .5ml tube) on screws, item #4, #20, #22 & #24

31HP Briggs & Stratton Replacement Parts List
(Refer to Engine Owner’s Manual)
Description	Briggs Part No.
Engine Oil Filter	492932

Air-Cooled specifications

The Exmark Air-Cooled engine series has set a high standard in the lawn care and landscaping industry, known for its reliability, efficiency, and superior performance. Designed for residential and commercial applications, these air-cooled engines are engineered to perform even under the most demanding conditions, making them a popular choice among professionals and homeowners alike.

One of the standout features of the Exmark Air-Cooled line is its robust power output. The engine delivers impressive torque, allowing for quick acceleration and consistent performance, ideal for tackling tough mowing tasks. The powerful performance is complemented by advanced cooling technologies that ensure optimal temperature management, safeguarding the engine against overheating during prolonged use.

The Exmark Air-Cooled engines are equipped with a high-performance air filtration system that significantly reduces the intake of dirt and debris. This not only enhances the engine's longevity but also ensures that it maintains peak efficiency over time. The unique design promotes easy access, making maintenance straightforward, which is especially crucial for professionals who rely on their equipment day in and day out.

Another key characteristic is the innovation in fuel efficiency. The Exmark Air-Cooled engines are designed to maximize every drop of fuel, reducing overall consumption and operating costs. This is not only beneficial from a financial standpoint but also contributes to a lower environmental impact, aligning with the trends toward greener practices in landscaping.

Further enhancing user experiences, Exmark incorporates minimal-vibration technology within its air-cooled engines. This feature reduces operator fatigue, allowing users to work longer without discomfort. Coupled with an ergonomic design, the machines become an extension of the operator, promoting precision and ease of use.

Lastly, Exmark provides excellent support and robust warranties for their air-cooled engines, showcasing their confidence in the product's durability and performance. This reassurance is vital for users considering long-term investments in their lawn care equipment.

In summary, the Exmark Air-Cooled engines stand out for their power, efficiency, and user-friendly design. With features that prioritize performance, durability, and operator comfort, they represent a top choice for any lawn care professional or enthusiast seeking reliable machinery.