TM
6" HITCH VISE
Visit our website at: https://www.harborfreight.com
Email our technical support at: [email protected]
58880
Owner’s Manual & Safety Instructions
Save This Manual Keep this manual for the safety warnings and precautions, assembly,
operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the
back of the manual near the assembly diagram (or month and year of purchase if product has no number).
Keep this manual and the receipt in a safe and dry place for future reference. 25a
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-800-444-3353 as soon as possible.
Copyright
©
2021 by Harbor Freight Tools
®
. All rights reserved.
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assembly and service may not be included.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Page 2 For technical questions, please call 1-800-444-3353. Item 58880
Specifications
Required Hitch Receiver 2″ Square
Jaw Width 6″
Maximum Jaw Opening 5.75″ Maximum
Throat Depth 5″
Pipe Jaw Capacity 0.5 - 3.5 in
IMPORTANT SAFETY INFORMATION
1. Mount before use according to these instructions.
Improper mounting can create hazards.
2. Wear ANSI-approved safety goggles and heavy-
duty work gloves during mounting and use.
3. Park vehicle, turn off ignition and chock
wheels before installing or using Vise.
4. Do not sit or stand on Vise. Do
not use vise as a step.
5. Do not exceed receiver’s rated capacity.
6. Remove Vise from vehicle after use.
7. Keep work area clean and well lit.
8. Keep bystanders out of the area during use.
9. Verify that installation surface has no hidden
utility lines before drilling or driving bolts.
10. Do not assemble when tired or when under
the influence of drugs or medication.
11. Do not use when tired or when under the
influence of alcohol, drugs or medication.
12. This product is not a toy. Do not allow
children to play with or near this item.
13. Use as intended only.
14. This product is NOT designed to pull, tow or push.
15. Remove vise before moving vehicle.
16. Inspect before every use; do not use
if parts are loose or damaged.
17. Maintain product labels and nameplates.
These carry important safety information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
18. Damage could occur to your vise and/or
workpiece if you overtighten the Handle.
SAVE THESE INSTRUCTIONS.
Page 3For technical questions, please call 1-800-444-3353.Item 58880
Mounting Instructions
WARNING! TO PREVENT SERIOUS INJURY: Verify that installation
surface has no hidden utility lines before drilling or driving bolts.
Mount to Receiver
1. Insert Tube into receiver.
2. Wiggle Vise inside receiver. If Vise is
loose, remove it and adjust Set Screws
with hex key (sold separately).
3. Reinsert Tube, aligning hole in
Tube with hole in receiver.
4. Insert Hitch Pin through hole.
5. Insert R-Clip through hole in Hitch Pin.
R-Clip
Hitch Pin
Tube
Set Screws
Receiver
Hole
Mount to Surface
1. Place Vise on flat, solid surface capable of
supporting weight of Vise and work piece.
2. Using Vise as template, mark two mounting holes.
3. Drill appropriated size holes for
bolts (sold separately).
4. Secure Vise with appropriate bolts,
washers and nuts (sold separately).
TM
Page 4 For technical questions, please call 1-800-444-3353. Item 58880
Operating Instructions
1. Turn Handle counterclockwise to open Jaws.
2. Place work piece inside Jaws.
CAUTION! Keep fingers away from
Jaws while tightening them.
3. Turn Handle clockwise to tighten Jaws against work
piece until it is held securely. Do not overtighten.
4. After use, remove vise from vehicle.
Store indoors out of children’s reach.
Maintenance
1. Keep moving parts lubricated. Wipe off
excess lubricant on Handle and Jaws.
2. Keep Jaws clean. Remove Jaw Inserts for
cleaning by removing Jaw Insert Screws.
3. Periodically, check and tighten mounting hardware.
TM
Page 5For technical questions, please call 1-800-444-3353.Item 58880
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS DOCUMENT AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR
MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS
QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE
ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY
ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
TM
Page 6 For technical questions, please call 1-800-444-3353. Item 58880
Parts List and Diagram
Parts List
Part Description Qty
1 Spindle & Handle 1
2 Spindle Spring 1
3 Cylinder Pin 1
4 Washer 1
5 Cylinder Pin 1
6 Tube 1
7 Jaw Insert 2
8 Jaw Insert Screw 4
9 Set Screw 4
10 Stationary Body 1
Part Description Qty
11 Spindle Nut 1
12 Sliding Plate Screw 5
13 Static Sliding Plate 1
14 Active Sliding Plate 1
15 Knurled Cylindrical Pin 1
16 R Clip 1
17 Hitch Pin 1
Record Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and are not available
individually as replacement parts. Specify number when ordering.193175448149.
Page 7For technical questions, please call 1-800-444-3353.Item 58880
Assembly Diagram
26677 Agoura Road • Calabasas, CA 91302 • 1-800-444-3353
TM
LIMITED LIFETIME WARRANTY
This DOYLE product is warranted to the original purchaser to be free from defects in materials and workmanship
for the useful life of the product. To obtain warranty service, visit your local Harbor Freight retail store. Warranty
registration is not required. The product or part must be returned with proof of purchase (e.g., in-store receipt
or packing slip/invoice) and may require shipment by purchaser to a service center at purchaser’s expense.
If our inspection verifies a covered defect in materials or workmanship during the warranty period, we will,
at our option, repair or replace the defective product. We will return repaired products within a reasonable
time at our expense, but if we determine that there is no defect, or that the defect resulted from causes not
within the scope of our warranty, then we will return the product to you if you pay return shipping costs.
This warranty does not cover any failure or damage that we determine is due directly or indirectly to normal wear and
tear, misuse, use not for the intended purpose or use not in accordance with the product manual, abuse, accident,
rental, modification or alteration, unauthorized repair, improper installation, neglect, failure to perform or improper
performance of maintenance, or any other failure not arising from defective materials or workmanship. Fraudulent
returns or claims will be denied. The repair or replacement described in this warranty shall be your sole and
exclusive remedy. THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS WARRANTIES,
WRITTEN OR ORAL, AND ANY IMPLIED WARRANTIES ARE DISCLAIMED TO THE EXTENT PERMITTED
BY LAW AND OTHERWISE LIMITED TO THE DURATION OF THE EXPRESS WARRANTY HEREIN. HARBOR
FREIGHT SHALL NOT BE LIABLE UNDER ANY CIRCUMSTANCES FOR ANY INCIDENTAL, INDIRECT,
SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES OR COSTS ARISING FROM THIS WARRANTY
OR THE USE OF THIS PRODUCT. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN
IMPLIED WARRANTY LASTS OR THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL
DAMAGES, SO THESE LIMITATIONS MAY NOT APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC
LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.
