About this model: New Holland’s Hayliner 273 is a late-’60s/’70s-era 14×18-inch small square baler known for a dependable two-knotter twine system (wire optional), smooth 540-PTO drive, and clean pickup (many with SuperSweep), a comfortable match for roughly 35–60 HP tractors.
General
Over-All Width
(Standard tires)
8' 4⅝"
(Flotation tires)
8' 8⅝"
Over-All Height
(P.T.O.)
4' 2⅞"
(Engine)
6' 7⅛"
Over-All Length — Short Tongue
Chute Up
14' 11"
Chute Down
17' 7"
Over-All Length — Long Tongue
Chute Up
16' 8"
Chute Down
19' 5"
Weight
Short Tongue (P.T.O.) — Twine
2577 lb
Short Tongue (P.T.O.) — Wire
2639 lb
Long Tongue (P.T.O.) — Twine
2675 lb
Long Tongue (P.T.O.) — Wire
2737 lb
Long Tongue (Engine) — Twine (Super-Sweep)
2915 lb
Long Tongue (Engine) — Wire (Super-Sweep)
2977 lb
Wheel Tread
7' 11-7/16"
Wheel Bearings
Tapered Roller
Maximum Road Speed
20 M.P.H.
P.T.O.
Type — Short Tongue
2-Joint — ASAE Standard
Type — Long Tongue
3-Joint — ASAE Standard
Protection
Friction Clutch plus Overrunning Clutch
Engine
Make
Wisconsin THD — Air Cooled
Speed
70 strokes/minute
Rated
2820 RPM — 17.5 HP
Fuel Tank Capacity
9.4 gal
Tires
Pick-Up
Size
3.00 × 12 — Semi-Pneumatic
Right Wheel
(Standard)
5.00 × 15, 4-ply — 28 psi
Flotation
25 × 7.50 × 15, 4-ply — 30 psi
Left Wheel
(Standard)
6.40 × 15, 6-ply — 44 psi
Flotation
27 × 9.50 × 15, 6-ply — 35 psi
Pick-Up
Width (incl. 5½" flare)
61½"
Drive
Roller Chain
Protection
Friction Clutch and Overrunning Clutch
Shaft Bearings
Sealed Ball
Feature
Standard
SuperSweep
Number of Tooth Bars
4
6
Tooth Bar Bearings
Self-Lubricating
Sealed Ball
Number of Teeth
48
120
Windguard
11 Finger
9 Finger
Tooth Spacing
4⅜"
2⅝"
Feeding System
Drive
Telescoping Linkage to Plunger
Protection
Spring Loaded
Tines
6 Spring-Loaded Aluminum Fingers
Feed Opening
266 sq. in.
Bearings
Sealed Ball and Tapered Roller
Bale Chamber
Size
14" × 18"
Bale Length
12" to 52"
Knotter
Protection
Shear Bolt
Tying
Twine
Twister
Protection
Shear Bolt
Twisting
14½-ga. Wire
Plunger
Speed
66 strokes per minute @ 540 r.p.m. (range: 65–75 SPM)