News & Events



4
Jun
2026

NEW BioBlade® Drill Opener

BioBlade® has been designed in NZ by the inventors of Cross Slot® and is exclusively licenced worldwide to Giltrap Ag for Duncan Drills. The BioBlade® combines the latest pasture renovation science with the solid and dependable reputation that are the cornerstone of the Duncan brand.

4
Jun
2026

New Release - Duncan Single Disc Drill

Our new single disc design has been developed for simplicity, efficiency, and a cost-effective price - without touching what matters most:
Strength, performance, and reliability

3
Jun
2026

Field Days 2026

Giltrap will be displaying a large range of equipment at the following New Zealand agricultural field days in 2026:

3
Mar
2026

Wireless control

G-MAX WIRELESS SCALES AND FEED RATE AUTOMATION

20
Jan
2026

The NEW G-Series

Meet the new G-Series Wagon - the hardworking member of the G-Wagon family. Built on the same proven foundation as the legendary G-MAX, with the core features farmers rely on every day, refined for straightforward performance and unmatched value.
From its rugged chassis and precision feed-control to its heavy-duty drive system, the G-Series carries the DNA of our flagship G-MAX wagon. We've streamlined it for simplicity, efficiency, and price - without touching what matters most: strength, performance, and reliability.

14
Jan
2026

Get the Jump on Autumn - Drill Maintenance

Duncan Drills recommended maintenance tips.

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1
Oct
2025

Drill Wearparts

Duncan Seed Drills are manufactured to perform to the highest level in tough conditions, and to enable them to perform as you expect, it’s important to replace parts with the real deal - genuine Duncan parts. Why? To protect your investment and save costs on wear and tear. Don't spend your valuable time and money replacing with copied inferior parts that won't go the distance.

28
Aug
2025

Get the Jump on Spring - Drill Maintenance

Duncan Drills recommended maintenance tips.

27
Mar
2024

Loyal to local machinery brand

When it comes to favourite car brands Kiwis tend to fall into Holden or Ford camps.

26
Mar
2024

Tom Tierney - Ireland

Read the attached article to find out how Tom Tierney became our Giltrap and Duncan distributor in Ireland

18
Sept
2023

Progressive Dairy Farm

Dan Wallis and Jodie Mexted began a 50:50 share-milking contract in June. The farm, Peak Farming, milks 450 cows at Te Rauamoa, high on the southern slopes of Mt Pirongia.

7
Jul
2023

Duncan Enviro Triple Disc Drills

Fieldays 2023: Sneak peak of the new Duncan Enviro Triple Disc Drills

6
Jun
2023

Drilling into the history of Duncan

Duncan is synonymous with no-nonsense farm machinery, in particular, drills!

3
May
2023

Rural Contractor - Duncan Drills Making Headway In South America

Duncan seed drills have enduring popularity in both New Zealand and Australia, but they also have a following in South America.

21
Dec
2022

Rural Contractor - Duncan DD35

Contractor Oliver Wilson says he likes his Duncan DD35's simple design and solid build.

4
Nov
2022

Rural Contractor - Kiwifruit Seeder

This little double disc drill is designed specifically for planting under the canopy in horticultural applications. 

3
Nov
2022

Rural Contractor - RS2 Bale Feeder

The RS2 Bale Feeder is the new generation of the Giltrap feeder, that started life as the Duncan SLR.

20
Apr
2022

WideTrac Spreader Ideal For The West Coast

The Dymock family has been operating a WideTrac 6 Tonne spreader on the NZ West Coast since September 2021.

8
Mar
2022

Rural Contractor - New SmartAg Electric Drive System

Giltrap Ag has sourced a new electric drive system for it's Duncan Drills.

4
Feb
2022
12
Apr
2021

Farm Trader - Affordable Accuracy

Innovation and development has resulted in the release of the new Giltrap WideTrac fertiliser spreader.

5
Mar
2021

Rural Contractor - Giltrap WideTrac

Our Giltrap WideTrac Spreader provides next level performance at an entry level price.

28
Jan
2021

Giltrap's time to shed......

Wilfred Giltrap’s January 23 shed sale of vintage tractors, engineering machinery and tools marked a significant turning point in the life of a man whose name is woven into the fabric of New Zealand agriculture.                                                    

23
Jul
2020

Dual-Purpose Giltrap Spreader Applies Fertiliser and Vermicast

When Taupo brothers Rhys and Sam Pritchard
needed a new spreader for their contracting
business to apply both chemical fertiliser at
normal rates and worm castings at very high
rates, they approached Giltrap engineering.

22
Oct
2019

SLR Bale Feeder Across the Ditch

September 2019 Australian Ag Contractor article on the SLR Balefeeder

28
Jun
2019

SLR Bale feeder

25 June Dairy News article on SLR Balefeeder

25
Apr
2019

MultiPlus Feeder release

23 April Dairy News article on the MultiPlus Feeder

1
Feb
2019

Fertiliser Spreader ticks the boxes

Owen Hanna rolled his old fertiliser spreader, so he researched the market to find the best technology available in a new machine. Download the full story to find out how he got on.

8
Aug
2018

Trailers - A Family Legacy

Southland farmers Johnny and Linton Adamson are brand loyal to our trailers to an impressive extent. Read about the fleet they operate on their farms at Waianiwa, near Invercargill by downloading the full story.

10
May
2018

Manufacturing success story for Waikato

Otorohanga may be small, but Craig and Belinda Mulgrew of Giltrap Engineering, are putting it on the map with their kiwi success story of growth and innovation in the agricultural manufacturing sector.