Grouser Ag Pro Plus Undercarriage User manual

Date 7-3-2018
PN: 63-40540-INS
Ag Pro Plus
Undercarriage Installation Instructions
Challenger MT900 B, C, E
Purchase Date
Serial Number
Model Number
Tractor Model
Dealer
Serial No: 10205087-10205675
For Models:
Challenger MT900 B, C, E: MT945, MT955,
MT965, MT975

2
To The Owner
This manual contains information concerning the installation of the undercarriage. You have purchased dependable,
long lasting equipment, but only by proper care and operation can you expect to receive the performance and long
service built into our products. Please read this manual carefully and keep the manual available for ready reference.
If you have any questions or concerns, contact Grouser Products.
Caution:
• Always use caution when working around any
equipment.
• Always wear safety glasses.
• Follow tractor manufacturer’s safety guidelines
when installing this product.
• Use paint where necessary to prevent rust.
• Do not modify or permit anyone else to modify
or alter the equipment and its components
without rst consulting Grouser Products.
Note:
• Read all instructions prior to performing
installation.
• When installing hardware, only nger tighten
until all hardware is in place.
• A full diagram of the assembly with the full list
of parts is on pages 6-7.
• Unstrap and remove any components that are
attached for shipping.
Pre-Installation
1. If applicable, remove front weights and weight bracket from front of tractor.
Serial Number Location
Undercarriage Installation
3. Position and center the undercarriage under the tractor.
NOTE: When lifting the undercarriage, watch for any
potential pinching of hoses or any other components to
prevent any damage.
A
2. If necessary, remove the switch guard from the left side of the tractor (A). Reinstall the hardware without the
switch guard.
B
B
4. Lift the undercarriage until the holes on the tractor line up
with the holes on the undercarriage and the rear pins of the
undercarriage are inserted into the rear bottom slots on the
tractor (B).

3
5. At the front of the tractor, install 8 - 24mm x
100mm bolts and 8 - 1” heavy washers (C).
7. At the rear of the undercarriage, install
2 - Cat Tail Section washers, 2 - 1” x 5” bolts,
and 2 - 1” nuts. Install the washer and the bolt
from the top. Only hand tighten the nuts (E).
8. Verify that the undercarriage is centered on
the tractor and push the undercarriage back
until the rear pins of the undercarriage are tight
against the rear bottom holes of the tractor frame
(F).
C
6. Install 6 - 1” x 4” bolts, 6 - 1” heavy washers,
and 6 - 1” nuts in the rear holes of the side plates
(D).
E
D
F
F
10. Torque the front 24mm bolts to 909 ft-lbs (C).
11. Torque the side plate 1” bolts to 903 ft-lbs (D).
9. Torque the rear 1” bolts to 903 ft-lbs (E).
12. After rst 8 hours of use, re-torque all bolts.
13. Check all fasteners regularly to ensure
proper operation of equipment.

4
Assembling Lift Components
Refer to the Blade Owner’s Manual & Parts Book for instructions on how to assemble the lift components.

5
Notes

6
9
3
12
7
4
11
6
5
2
11
13
13
1
14 10
8
10
40540-ADWG. NO.:
ITEM NO. QTY. PART NO. DESCRIPTION
1 4 16-20124 1/2" x 1" Hex Bolt Gr.5 NC
2 6 16-20566 1" X 4" Hex Bolt Gr 8 NC
3 2 16-20568 1" x 5" Hex Bolt Gr.8 NC
4 8 16-2486 24mm x 3.0mm x 100mm Hex Bolt
5 2 27-18880 Ag Pro Plus Decal
6 1 27-18887 Grouser Name Plate Decal
7 1 NA Grouser Dozer Metal Serial Tag
8 1 44-40504 Plate, Cover
9 1 54-40540 Undercarriage Weld
10 5 57-20744 1/2" Flat Washer
11 14 57-3682 1.00" ID x 2-1/2" OD x .375" Heavy Washer CZ Plated
12 2 57-5142 Washer
13 8 70-20599 1" Hex Nut Gr 8 NC
14 1 70-20604 1/2" Center Lock Hex Nut

7
9
3
12
7
4
11
6
5
2
11
13
13
1
14 10
8
10
40540-ADWG. NO.:
ITEM NO. QTY. PART NO. DESCRIPTION
1 4 16-20124 1/2" x 1" Hex Bolt Gr.5 NC
2 6 16-20566 1" X 4" Hex Bolt Gr 8 NC
3 2 16-20568 1" x 5" Hex Bolt Gr.8 NC
4 8 16-2486 24mm x 3.0mm x 100mm Hex Bolt
5 2 27-18880 Ag Pro Plus Decal
6 1 27-18887 Grouser Name Plate Decal
7 1 NA Grouser Dozer Metal Serial Tag
8 1 44-40504 Plate, Cover
9 1 54-40540 Undercarriage Weld
10 5 57-20744 1/2" Flat Washer
11 14 57-3682 1.00" ID x 2-1/2" OD x .375" Heavy Washer CZ Plated
12 2 57-5142 Washer
13 8 70-20599 1" Hex Nut Gr 8 NC
14 1 70-20604 1/2" Center Lock Hex Nut

8
Warranty
Contact Us
Improvements
Grouser Products Inc. is continually striving to improve its products. We reserve the right to change
prices, specication, or equipment at any time without notice. We also reserve the right to make
improvements or changes when it becomes practical and possible to do so without incurring any
obligation to make changes or additions to the equipment sold previously.
As always, if you have any questions about your Ag Pro Plus Undercarriage or other products made
by Grouser, feel free to contact us.
Grouser Products
755 2nd Ave NW - West Fargo, ND 58078
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Website: www.grouser.com
Grouser Products warrants to the original purchaser of each item that the product be free from
defects in material and workmanship under normal use and service for a period of two years from
date of original retail delivery. If such equipment is found to be defective within two years, it is the
obligation of Grouser Products under this warranty to repair or replace (exclusive of the cost of labor
and transportation), any equipment or parts, in the judgment of Grouser Products to be defective in
material or workmanship.
All equipment or parts claimed to be defective in material or workmanship must be made available
for inspection at the place of business of a dealer authorized to handle the equipment covered by this
warranty, or, upon request by Grouser Products, shipped to the Grouser Products factory in West Fargo,
North Dakota. Grouser Products shall have no obligation to bear the cost of labor or transportation in
connection with replacement or repair of any such defective parts in the setup process.
This warranty covers only defects in material and workmanship. It does not cover depreciation
or damage caused by normal wear, accident, improper assembly, improper adjustments, improper
maintenance including lack of proper lubrication, or improper use. Therefore, Grouser Products liability
under this warranty shall not be e󰀨ective or actionable unless the equipment is assembled, maintained
and operated in accordance with the operating instructions accompanying the equipment. Grouser
Products shall have no liability if the equipment has been altered or reworked without the written
authorization of Grouser Products.
Grouser Products’ parts, which are furnished under this warranty and properly installed, shall
be warranted to the same extent as the original parts under this warranty if, and only if, such parts are
found to be defective within the original warranty period covering the original equipment.