Part of the Kubota Operator Manuals.
This Kubota operator manual covers the GR2700B and GR2704A driveline connector kit and front implement setup (publication OM 0414QH-A), for units from serial 21303175 and up. Its 36 pages cover safety, assembling the Fun/Sure Connect hitch, installing the GR2704A drive kit, driveline and hydraulic component installation, operation and maintenance, the K.R.A. system override procedure, and a full parts list.
With it you can attach the hitch to the subframe, install the driveline and the front and rear driveshaft guards, route and connect the hydraulic hoses and quick couplers on GR2020 and GR2120 tractors, and check hitch bolt torque and pivot lubrication on schedule. Torque charts and hydraulic fitting part numbers are included.
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What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | To the Purchaser | |
| Safety Precautions | Before Operation, Notice, Operating the Implements, The Tractor, Maintenance | |
| Assembly | Assembling the Fun/Sure Connect Hitch (Attaching the Hitch to the Subframe), Installing the Drive Kit – Gr2704A (Assembling: Uhmw Guides, Engagement Mechanism) | |
| Operation - Maintenance | Operation (Up and Down Control), Maintenance, Storage | |
| K.R.A. System Override Mode | For Lawn Tractors Equipped with K.R.A. System, Start the Engine, Set the Throttle to the "Fast" Position, Push the PTO Lever to the "Engaged" Position | |
| Parts | Introduction, Hitch, Drive Kit - GR2704A, Hydraulic Components, Driveline - 77700-03438, Driveline - 77700-03433 | |
| Available Equipment | Fun/Sure Connect Hitch, 48" Blade, 46" Snowblower, 47" Rotary Broom | |
| Torque Specification Table | Bolt Head Identification, Inches Bolt Size, Metric Bolt Size | |
| Assembly of GR2700B Kit | Hardware Bag, Bushing Ø1 1/8" X 3/8"lg, Dust Cap 1/4"NPT, Female Quick Coupler 1/4"NPT, Male Quick Coupler 1/4"NPT, 90° Elbow 1/4"NPT Rm, Hex. Bolt 1/4"NC X 3/4", Ptd |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| GR2704A, GR2020, GR2120 | ||
| Hydraulic hose 60 inch length | 60 inches | p. 29 |
| Hydraulic hose 75 inch length | 75 inches | p. 29 |
| Elbow 90° 1/4 inch NPT size | 1/4 inch NPT | p. 29 |
| Elbow 90° replacement part number | 70060-02449 | p. 29 |
| All Models | ||
| Recommended hydraulic oil type | type of oil recommended by Kubota in tractor's Operating manual | p. 20 |
| Hitch bolt torque check interval (initial) | 8 hours | p. 22 |
| Hitch bolt torque check interval (subsequent) | 80 hours | p. 22 |
| Pivot points lubrication interval | 40 hours | p. 22 |
| Torque Spec: 1/4"-20NC, Grade 2 | 5.6 lbs-ft | p. 33 |
| Torque Spec: 1/4"-20NC, Grade 8 | 12 lbs-ft | p. 33 |
| Torque Spec: 5/16"-18NC, Grade 5 | 17 lbs-ft | p. 33 |
| GR2704A | ||
| Driveline maximum RPM | 2600 r/min | p. 14 |
